Whitworth
thread [机]惠氏螺纹,英制螺纹
🗣️ 情景例句
Where's the dressing room?
试衣间在哪儿？
I've put on my uniform. Let's go!
我穿上制服了，走吧！
Ethanol is more effective at a concentration of 50-70 percent;
乙醇的浓度为50％至70％时比较有效，