Chronotropic
[医] 变时[性]的
🗣️ 情景例句
I need a new toothbrush. My old one's worn out.
我需要一支新牙刷。旧的用坏了。
He has never been out of China, so he is very excited about liveing abroad.
他以前从未出过国，因此对出国很兴奋。
He was amused too, because he never expected the bicycle to be found.
但又感到非常好笑，因为他从未指望那辆自行车还能找到。