Signed instrument
[经] 签约文件
🧩 词语组成解析
signed
[saind]
adj. 有符号的，有正负之分的;
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
Mr. Levine, Susan Stewart.
Levine先生， 我是Susan Stewart。
A thousand words will not leave so deep an impression as one deed.
千言万语不如一个行动。
By the way, I came into this classroom last Saturday morning, and it was not as clean as usual.
顺便提一句，上星期六上午我来到这个教室时