Bead catalyst
[机] 颗料催化剂
🧩 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
As you please. I'm ready.
请便。我准备好了。
The surest way to be happy is to be busy.
要快乐，最可靠的办法是忙碌。
Before they were replaced by steamships,
在蒸汽船取代帆船之前。