Bead cover
[机] 叶轮罩
🧩 词语组成解析
bead
[bid]
n. 有孔小珠，念珠;水珠，露珠;珠子项链;
vt. 用小珠装饰;使成串珠状;
vi. 形成珠状;起泡;
🗣️ 情景例句
Alright. Please sit down.
好的，请坐下。
I'm going to buy three yards.
我要买给她三码。
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，