Back-grounds
(back-ground 的复数) 背景
🧩 词语组成解析
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;
n. 场地, 庭院, 理由, 渣滓, 沉淀物
🗣️ 情景例句
Yeah!
是啊！
Parents usually put a small red paper packet under their child's pillow.
父母常常会在孩子枕头下放一个小红包。
He could make out three men in a basket under it and one of them was holding a pair of binoculars.
他看清了气球下面有3个人呆在一只筐里，其中一个举着望远镜。