On our first day in a new city, we got lost in a strange place.
我們在一個新城市的第一天，在一個奇怪的地方迷路了。
On quiet nights, music from the park carries all the way to our apartment.
安靜的夜晚，公園傳來的音樂一路都能傳到我們公寓。
On the eve of the school trip, I packed my bag twice because I was so excited.
校外教學的前一晚，我因為太興奮而檢查了兩次行李。
Once a friend, always a friend.
一日是朋友，永遠是朋友。
Once the rain stopped, we walked to the night market.
雨一停，我們就走去夜市。
Once you finish your homework, you can watch a movie.
你一做完功課，就可以看影片。
Once, a kind girl lived near a forest.
從前，有一位善良的女孩住在森林附近。
Once, when I was a child, I left my lunch on the bus.
有一次，我小時候把午餐忘在公車上。
One end of the string came free during the show.
表演時，細繩的一端鬆開了。
One good thing about cooking at home is that you can choose how much oil to use.
在家煮飯的一個好處是，你可以選擇要用多少油。
One hundred people came to the school party, and more people came later.
一百個人來了學校派對，後來還有更多人來。
One hundred students came to the school party.
一百名學生來參加學校派對。
One important point is that the library closes early on Saturdays.
有一個重要事項是圖書館週六很早就關門。
One large pizza should do for the four of us.
一個大披薩應該夠我們四個人吃。
One mean thing someone says can plant a seed of worry in a student's mind.
有人說的一句刻薄話，可能在學生心中種下一顆擔心的種子。
One of my jobs this weekend is to clean the kitchen.
我這個週末的工作之一是打掃廚房。
One of my simple pleasures is drinking tea while watching the rain.
我日常生活中的一大樂事，就是一邊喝茶一邊看雨。
One of the buttons on my school uniform came off, so my mom put it back on.
我校服上的一顆鈕扣掉了，所以我媽媽把它裝回去。
One of the buttons popped off my school uniform.
我制服上的一顆鈕扣突然掉了。
One of the guitar strings broke during practice.
練習時有一根吉他弦斷了。
One person can sit here.
一個人可以坐在這裡。
One piece of paper showed that the package arrived on Friday.
一張紙上寫著包裹星期五送到了。
One should check the train times before leaving home.
人們離開家前應該查看火車時間。
One small mistake can eat at you for weeks.
一個小錯誤可能讓你難過好幾個星期。
One thing I learned from the trip is to check the train time early.
我從這趟旅行學到的一件事，就是要早點查看火車時間。
One thing to bring is your school card.
要帶的一樣東西是你的學生證。
One trip on the wet floor could hurt you badly.
在濕地板上絆倒一次，可能會讓你傷得很重。
One wrong word could blow it.
一個說錯的字可能會把事情搞砸。
Only the club members understood the inside joke.
只有社團成員聽得懂那個內部笑話。
Only the school leader has the power to close the school because of a typhoon.
只有學校負責人有權力因為颱風而宣布停課。
Only three students joined the school trip.
只有三位學生參加了校外教學。
Open a new window and look for the school library page.
開啟一個新視窗，並找學校圖書館的頁面。
Open the window and let some fresh air in.
把窗戶打開，讓一些新鮮空氣進來。
Open the window and let some fresh air into the room.
把窗戶打開，讓一些新鮮空氣進入房間。
Open your book to page 45 before class starts.
上課前請把書翻到第 45 頁。
Orange juice is good to drink.
柳橙汁很好喝。
Our apartment building will have a fire exercise this Saturday morning.
我們的公寓大樓這週六早上將舉行消防演習。
Our bags are in the back of the car.
我們的袋子在車子的後面。
Our bags came out on the belt a few minutes after we landed.
飛機降落幾分鐘後，我們的包包出現在輸送帶上。
Our big tests are only three weeks away, so I need to study every day.
我們的大考只剩三週就到了，所以我需要每天讀書。