Talide
碳化钨硬质合金
🗣️ 情景例句
It's five years ago.
那是五年前了。
Would you please hold the door open for me?
请您为我打开门？
Alcohol may be a medical disinfectant, but should not be relied upon to sterilize water.
酒精可能是医学上的消毒剂，但决不可用来消毒饮用水。