
as
[副 詞] 跟 … 一樣地.
My bag is the same as yours.
我的袋子和你的一樣.
[介係詞] 當(dāng)為, 當(dāng)成, 以 … 的身份.
As a mother, I did not do my best.
做為一個(gè)母親, 我并沒(méi)有盡 (我的) 全力.
[連接詞] 跟 … 一樣.

at
[介係詞] 在 … 地點(diǎn), … 在 … 時(shí)刻.
At night, she always stays at home.
晚上 (時(shí)) 她總是待在家裡.
He is good at math but weak in English.
他的數(shù)學(xué)很好, 但是英文不好 (弱).

ate
[動(dòng) 詞] 吃(東西), 喝, 進(jìn)食, 用膳. (eat 的過(guò)去式)
He ate something before he went to work.
他在 (去) 上班前吃了點(diǎn)東西.
He ate up all of the food.
他吃光了所有的食物.

bought
[動(dòng) 詞] 買, 購(gòu)買. (buy 的過(guò)去式與過(guò)去分詞)
He bought a new car yesterday.
他昨天買了一輛新車.
Finally, I made up my mind and bought the new video game.
最后, 我決定買下這個(gè)新的電動(dòng)游戲.

but
[連接詞] 但是.
What the boy says may sound like a lie to you, but it is quite true.
這男孩所說(shuō)的聽(tīng)起來(lái)像是在對(duì)你說(shuō)謊, 但那確實(shí)是真的.
[介係詞] 除 … 以外, 除了.
All the students in my class are friendly but him.
除了他之外, 我 (們) 班上所有的學(xué)生們都很友善.
[副 詞] 只, 僅僅, 才是.