🧩 词语组成解析
sack
[sæk]
n. 麻袋;洗劫;<英俚>解雇;
vt. 解雇;把…装进袋里;掠夺;
back
[bæk]
n. 背,背部;背面,反面;后面,后部;(椅子等的)靠背;
vt. 使后退;支持;加背书于;下赌注于;
vi. 后退;倒退;
adj. 背部的;后面的;以前的;拖欠的;
adv. 以前;向后地;
🗣️ 情景例句
Well, that's what fathers are for.
嗯,父亲们的用处正在于此。
Who is the man?
那位男士是谁?
The wooducutter was standing next to a fallen tree, with lots of small pieces of wood in front of him.
伐木工人正站在一棵倒下的树旁,他的前面有很多小片的木头。