Perfect instrument
[法] 有效证件
🧩 词语组成解析
instrument
['ɪnstrəmənt]
n. 仪器;手段，工具;乐器;法律文件;
vt. 用仪器装备;为演奏谱曲;向…提交文书;
in内+stru=struct建立+ment表名词→内部结构→仪器；工具
🗣️ 情景例句
Mm-hmm, hmm, uh-huh.
Mm-hmm,hmm,uh-huh。
I don't think it's four o'clock yet.
我认为现在还不到四点。
She didn't visit her step-mother much, though I believe that they used to speak on the phone from time to time.
她不常看望她的继母，虽然，我相信她们过去时不进在电话里聊一聊。