Arithmetic check
[计] 算术校验
🧩 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;
🗣️ 情景例句
He's a real two-timer.
他用情不专。
As the wind blows, you must set your sail.
趁风启帆。
I know. I can help him with most of his subjects.
我知道。我可以帮助他学习绝大多数科目。