Effective thread
[化] 有效螺纹
🧩 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
thread
[θrɛd]
n. 线;线索;线状物;螺纹;
vt. 穿成串;将（针、线等）穿过…;用…线缝;给…装入（胶片、狭带、绳子）;
🗣️ 情景例句
I'm sorry, I don't really understand.
对不起，我真的听不懂。
He who would search for pearls must dive below(or deep).
欲寻珍珠，须潜水下。
This time, he managed to climb into the mouth of Kituro so that he could take photographs and measure temperatures.
这次他设法爬进了基图罗火山口，以便能拍摄照片和测试温度。