🧩 词语组成解析
sparrow
['spæro]
n. 麻雀;〈美〉个子小的人;
unit
['ju:nit]
n. 单位，单元;装置;个体;[数]单位数;
🗣️ 情景例句
I didn't have that when Richard and Susan were born.
在Richard和Susan出生时我可没有人帮忙。
The police crept up from behind and took the gangster by surprise.
警察悄悄从背后绕过去，出其不意地将歹徒逮捕。
I waited till he came near, then I asked him the way to our old village.
等他走近了，问他去老家的路。