Observational check
[化] 外观检查
🧩 词语组成解析
a. 观察的, 观测的\\n[计] 观察的
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;
🗣️ 情景例句
Governments wage a constant war against counterfeiting.
政府掀起持久的打假活动。
The newsboy throws his papers in the wrong place.
报童把报纸投错了地方。
He then changed into overalls and spent the next eight hours as a dustman.
然后换上工作服，当8个小时清洁工。