Polycarboxylic
[机] 多羧酸的
🗣️ 情景例句
I found another mistake.
我又发现一个错误。
The one on your right.
你右边的那个。
Sometimes a tame elephant is tethered nearby to give the wild one confidence,
有时，把一头已驯服的象拴在旁边能给野象以信心。