A number of students are waiting for the bus.
一些學生正在等公車。
A nurse is on duty at the school health center until five in the afternoon.
一名護理師在學校保健室值班，直到下午五點。
A pack of dogs was running near the park.
一群狗正在公園附近奔跑。
A panda’s diet is mostly one kind of tall grass.
熊貓的飲食主要是一種高的草。
A parent must sign the form if the patient is a minor.
如果病人是未成年人，家長必須在表格上簽名。
A phone call broke my study time.
我在讀書時，一通電話打斷了我的時間。
A phone call interrupted my study time last night.
昨晚一通電話打斷了我的讀書時間。
A phone call made me lose my train of thought while I was giving my report.
我報告時接了一通電話，結果思緒被打斷了。
A piece of paper was around the neck of the bottle.
一張紙在瓶子的瓶頸周圍。
A pineapple plant can take many months to produce one fruit.
一株鳳梨植株可能需要好幾個月才能結出一顆果實。
A pipe can send words from one program to another program.
管線可以把文字從一個程式傳送到另一個程式。
A police officer tailed the man from the train station to a coffee shop.
一名警察從火車站一路跟蹤那名男子到一家咖啡店。
A positive test result means that the test found what it was checking for.
檢測結果呈陽性，表示檢測找到了它要檢查的東西。
A problem with her friend kept eating at her all day.
她和朋友之間的問題讓她一整天都很煩心。
A problem with the train caused it to arrive twenty minutes late.
火車出了問題，導致它晚了二十分鐘到達。
A quick move stopped the problem from getting big.
快速的行動阻止了問題變大。
A quiet home environment can help children focus on their homework.
安靜的家庭環境能幫助孩子專心寫功課。
A real diplomat can help classmates solve problems.
真正有外交手腕的人能幫助同學解決問題。
A real friend listens to you when you are sad.
真正的朋友會在你難過時聽你說話。
A red card tells the player to leave the game.
紅牌叫球員離開比賽。
A ring of students stood around the science teacher's work.
一圈學生站在科學老師的作品周圍。
A scooter knocked a man down on the street.
一台機車在街上把一名男子撞倒了。
A scooter shot past us when the light turned green.
綠燈一亮，一輛機車從我們身旁飛快駛過。
A screen can help you have your own space in a room with other people.
在和別人共用的房間裡，屏風可以幫你有自己的空間。
A sea of fans waited outside the sports center.
大批粉絲在運動中心外等候。
A sharp sound woke everyone in the building.
一聲刺耳的聲音把大樓裡的每個人都吵醒了。
A short break can make you feel better.
短暫休息可以讓你感覺好一點。
A short break will follow the teacher's talk.
老師講完話後會有一小段休息時間。
A short ending will complete your talk.
簡短的結尾會讓你的演講完整。
A shower of leaves covered the sidewalk after the strong wind.
強風吹過後，一陣落葉鋪滿了人行道。
A sick child can really try a parent.
生病的孩子真的會讓父母很難應付。
A simple sentence has one main idea.
簡單句只有一個主要意思。
A small band of people reached the top before noon.
一小群人中午以前到達了山頂。
A small bird hopped along the balcony.
一隻小鳥沿著陽台跳著走。
A small cat was hiding behind the parked car.
一隻小貓躲在停放的車子後面。
A small fire could burn the dry leaves.
一小團火可能會燒掉乾葉。
A small lamp shone through the bedroom window.
一盞小燈的光從臥室窗戶透出來。
A small piece of glass was in his shoe.
他鞋子裡有一小片玻璃。
A small problem should not make you and your friend stop being friends.
小問題不應該讓你和朋友不再當朋友。
A small river runs through the park behind our school.
一條小河流經我們學校後方的公園。