Niketharol
N, N-二乙基烟酰胺
🗣️ 情景例句
It is pleasant to jog in the early morning.
清晨慢跑很舒畅。
OK.
好的。
The only passengers, a young woman and her two baby daughters, were unhurt.
机上仅有的乘客，一位年轻的妇女和她的两个女婴却平安无事。