Back-packs
(back-pack 的复数) [医](默克公司)单剂量包装
🧩 词语组成解析
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
You are very lucky, Robbie, to have such a nice family.
Robbie你真幸运 拥有这样温馨的家。
Whom will you invite to the party?
你将邀请谁参加聚会?
I want to go to the shop. I want an eraser.
我想去商店买块橡皮。
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