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
A journey of a thousand miles begins with a single step.
千里之行，始于足下。
An ill life,an ill end.
恶有恶报。
Many strange new means of transport have been developed in our century,
本世纪已研制出许多新奇的交通工具，