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
to pick up the dog.
把狗领回去了。
How often did I tell you to take your time?
我告诉你多少次要慢慢来?
The twins took the basket from the boat and put it under the tree.
双胞姐妹把篮子从船上拿起，放在树下。