Check-off
验讫，验证性试验
🧩 词语组成解析
check
[tʃɛk]
vt. 检查，核对;制止，抑制;在…上打勾;
vi. 核实，查核;中止;打勾;[象棋]将一军;
n. <美>支票;制止，抑制;检验，核对;
off
[ɔ:f, ɔf]
prep. 从…落下;离开;从…去掉;下班;
adv. 离开;距，离;被取消;下班;
adj. 不新鲜的;不能接受;不礼貌;
n. 起跑;
v. 杀死;
🗣️ 情景例句
But, well,
但是，嗯，
I'm a federal employee. I work for the Department of Labor.
我是一个联邦雇员。 我为劳动部门工作。
They were visited by a large colony of ants which obtained a sort of honey from them.
蚜虫遭到一窝蚂蚁的攻击，蚂蚁从它们身上可以获得一种蜜。