Back-fill
[机] 填充
🧩 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;
fill
[fɪl]
vt.& vi. （使）充满，（使）装满;
vt. 满足;配药;（按订单）供应;使充满（感情）;
n. 填满…的量;充分;装填物;路堤;
🗣️ 情景例句
Marilyn, you're going to design my niece's dress.
Marilyn现在就开始设计我侄女的结婚礼服。
It is too late to come with the water when the house is burnt down.
马后炮。
In despair, I asked her whether she was enjoying her dinner.
失望之中我问她饭是否吃得满意。