Chelators
(chelator 的复数) n.[化]螯合剂
🗣️ 情景例句
Not Grandpa.
爷爷不是这种人。
The finest diamond must be cut.
玉不琢不成器。
There is always hope that in its labyrinth of musty, dark, disordered rooms a real rarity will be found amongst the piles of assorted junk that little the floors.
人们还常常有希望在发霉、阴暗、杂乱无章、迷宫般的店堂里，从杂乱地摆放在地面上的、一堆堆各式各样的破烂货里找到一件稀世珍品。