add example sentences for numbers

docs/howtostudykorean/unit-1/11-time.md

@@ -4,52 +4,136 @@ vocabulary:
     - audio: https://www.howtostudykorean.com/wp-content/uploads/2014/12/1Jan.mp3
       ko: 일월
       en: January
+      examples:
+        - ko: "**1월**은 새해가 시작되는 달이에요"
+          en: "**January** is the month when the new year begins"
+          notes: Gemini
+        - ko: "**1월**에 날씨가 가장 추워요"
+          en: The weather is coldest in **January**
+          notes: Gemini
 
     - audio: https://www.howtostudykorean.com/wp-content/uploads/2014/12/2Feb.mp3
       ko: 이월
       en: February
+      examples:
+        - ko: "**2월**은 일 년 중 가장 짧아요"
+          en: "**February** is the shortest month of the year"
+          notes: Gemini
+        - ko: 제 생일은 **2월**이에요
+          en: My birthday is in **February**
+          notes: Gemini
 
     - audio: https://www.howtostudykorean.com/wp-content/uploads/2014/12/3Mar.mp3
       ko: 삼월
       en: March
+      examples:
+        - ko: "**3월**에 새로운 학기가 시작돼요"
+          en: A new semester starts in **March**
+          notes: Gemini
+        - ko: "**3월**이 되면 날씨가 풀려요"
+          en: The weather warms up when **March** arrives
+          notes: Gemini
 
     - audio: https://www.howtostudykorean.com/wp-content/uploads/2014/12/4Apr.mp3
       ko: 사월
       en: April
+      examples:
+        - ko: "**4월**에 아름다운 벚꽃이 펴요"
+          en: Beautiful cherry blossoms bloom in **April**
+          notes: Gemini
+        - ko: 한국에는 **4월**에 봄이 깊어져요
+          en: Spring deepens in Korea in **April**
+          notes: Gemini
 
     - audio: https://www.howtostudykorean.com/wp-content/uploads/2014/12/5May.mp3
       ko: 오월
       en: May
+      examples:
+        - ko: "**5월**은 가정의 달로 불려요"
+          en: "**May** is called the month of family"
+          notes: Gemini
+        - ko: "**5월** 5일은 어린이날이에요"
+          en: "**May** 5th is Children's Day"
+          notes: Gemini
 
     - audio: https://www.howtostudykorean.com/wp-content/uploads/2014/12/6June.mp3
       ko: 유월
       en: June
       notes: June (6월/유월) and October (10월/시월) should actually be 육월 and 십월 but, written like that, they are difficult to pronounce. Because of this, their correct pronunciations are 유월 and 시월 NOT 육월 and 십월.
+      examples:
+        - ko: "**6월**부터 초여름 날씨가 시작돼요"
+          en: Early summer weather begins from **June**
+          notes: Gemini
+        - ko: 저는 올해 **6월**에 대학을 졸업해요
+          en: I graduate from university in **June** of this year
+          notes: Gemini
 
     - audio: https://www.howtostudykorean.com/wp-content/uploads/2014/12/7July.mp3
       ko: 칠월
       en: July
+      examples:
+        - ko: "**7월**이 되면 본격적인 더위가 시작돼요"
+          en: Full-scale heat begins when **July** arrives
+          notes: Gemini
+        - ko: 학교들이 **7월** 말에 여름 방학을 해요
+          en: Schools go on summer vacation at the end of **July**
+          notes: Gemini
 
     - audio: https://www.howtostudykorean.com/wp-content/uploads/2014/12/8Aug.mp3
       ko: 팔월
       en: August
+      examples:
+        - ko: "**8월**은 여름 휴가를 많이 가는 달이에요"
+          en: "**August** is the month when many people go on summer vacation"
+          notes: Gemini
+        - ko: "**8월**의 날씨는 아주 덥고 습해요"
+          en: The weather in **August** is very hot and humid
+          notes: Gemini
 
     - audio: https://www.howtostudykorean.com/wp-content/uploads/2014/12/9Sep.mp3
       ko: 구월
       en: September
+      examples:
+        - ko: "**9월**에는 선선한 가을 바람이 불어요"
+          en: Cool autumn breezes blow in **September**
+          notes: Gemini
+        - ko: "**9월**에 추석 연휴가 있는 경우가 많아요"
+          en: There are often Chuseok holidays in **September**
+          notes: Gemini
 
     - audio: https://www.howtostudykorean.com/wp-content/uploads/2014/12/10Oct.mp3
       ko: 시월
       en: October
       notes: June (6월/유월) and October (10월/시월) should actually be 육월 and 십월 but, written like that, they are difficult to pronounce. Because of this, their correct pronunciations are 유월 and 시월 NOT 육월 and 십월.
+      examples:
+        - ko: "**10월**에 단풍이 예쁘게 물들어요"
+          en: Fall foliage colors beautifully in **October**
+          notes: Gemini
+        - ko: "**10월** 9일은 한글날이에요"
+          en: "**October** 9th is Hangeul Day"
+          notes: Gemini
 
     - audio: https://www.howtostudykorean.com/wp-content/uploads/2014/12/11Nov.mp3
       ko: 십일월
       en: November
+      examples:
+        - ko: "**11월**이 되면 날씨가 꽤 쌀쌀해져요"
+          en: The weather gets quite chilly when **November** arrives
+          notes: Gemini
+        - ko: "**11월**에 대학수학능력시험을 봐요"
+          en: Students take the CSAT exam in **November**
+          notes: Gemini
 
     - audio: https://www.howtostudykorean.com/wp-content/uploads/2014/12/12Dec.mp3
       ko: 십이월
       en: December
+      examples:
+        - ko: "**12월** 25일은 크리스마스예요"
+          en: "**December** 25th is Christmas"
+          notes: Gemini
+        - ko: "**12월**을 끝으로 한 해가 마무리돼요"
+          en: The year wraps up at the end of **December**
+          notes: Gemini
 
   nouns:
     - ko: 기회