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
but he has chickens and cows and all.
但他有奶牛等等。
Do you often work for Mr.stone during the holidays?
你常常在假日期间为斯通先生工作吗？
Unfortunately you'll have to pay the fine before you check those books out.
在你借书之前你要先付清罚款。