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
He was killed on the spot.
他当场被杀。
The waiter seems to be in a hurry to take our order.
侍者似乎匆匆忙忙拿我们的订单。
She's been there for two months. She's been there since September.
她进校有两个月了。她自9月份起便在那儿学习了。