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
Well, when do you think you can come over to work?
你想什么时候开始工作呢？
You were late again this morning. I think you had better start being on time.
你早晨又迟到了，我想你最好开始守时。[托福]
shape in only two dimensions.
形态只有两种尺度。