Keyring
n. 钥匙圈
✅ 同义词
🗣️ 情景例句
I hope he's in a good mood.
我希望他心情不错。
Never trust another what you should do yourself.
自己应该做的事，决不要委托别人做。
employing full-time technicians and run on specially-written software.
雇用专职的技师，而且得用专门编写的软件才能运行。