Beaded catalyst
[机] 颗粒催化剂
🧩 词语组成解析
beaded
['bi:did]
adj. 饰以珠的，珠状的;
🗣️ 情景例句
to ask Dad to sign as a guarantor.
请爸爸当担保人为我签字。
May I accompany you tonight?
今晚我可以和你在一起吗？
but he has never managed to get enough money to have the church clock repaired.
但始终未能筹足资金把教堂的钟修好。