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
Were you here last time on his birthday party?
上次你有没有参加他的生日舞会？
It's about time to get up.
差不多该起床了。
I have two cats. One is white, the other is black.
我有两只猫，一只是白猫，另一只是黑猫。