Reacton
[医] 反应单位
🗣️ 情景例句
Left, right. Enjoy it.
左 右。放 。
I am afraid I will not be able to accompany you.
我恐怕无法跟你在一起了。
He gets into the lift, and goes up to the twelfth floor.
他进入电梯，然后升至第12层。