Effective instrument
[经] 有效文件
🧩 词语组成解析
effective
[ɪ'fɛktɪv]
adj. 有效的;起作用的;实际的，实在的;给人深刻印象;
n. [军]现役兵额，有生力量，精兵;
ef出+fect做，制作 +ive形容词后缀 →做出来的 → 有效的
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
When you read, read as loudly as possible, as clearly as possible and as quickly as possible.
当你读的时候，要尽量大声、尽量清晰和尽量快速。
Do you live King Road?
你在皇帝路居住吗？
We'd have to compare notes on what we've discussed during the day.
我们想用点时间来研究讨论一下白天谈判的情况。