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
Could you give me a summer job? I'd like to get some experience working for your esteemed organization.
你能提供一份暑期工给我吗？我希望能从贵公司中得到工作经验。
The wire has got crossed.
电话串线了。
Taking a path which led out of the town, we crossed a few fields until we came to a dense wood.
我们走上了一条出镇的小路，穿过几块农田，来到一片茂密的树林。