Back ground
[经] 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;
ground
[ɡraʊnd]
n. 地面，土地;基础;范围;阵地，战场;
vi. 搁浅，停飞;着陆;
vt. 把…放在地上;在…的基础树立上;交给…基本知识;使…受初步训练;
v. grind的过去式和过去分词;
🗣️ 情景例句
It helps enormously.
这个帮助很大。
The party is making too much noise.
这次聚会太吵了。
After the accident, all the lines and taps were clearly marked and new people joining the workforce were given a talk on safety before they started work.
火灾过后，所有的管道和龙头都被标得一清二楚，而且加入劳动队伍的新工人在开始工作之前要接受有关的安全教育。