Validity check
[计] 有效性检查\\n[经] 有效性检查
🧩 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;
🗣️ 情景例句
I have to think about it.
我得想一想。
Edward had heard of the famous singer from Europe.
爱德华曾听说过欧洲出身的著名歌星的事。
Lake Baikal is the deepest of all the lakes in the world.
贝加儿湖是世界上最深的湖泊。