Dinaphthylmethane
二萘甲烷
🗣️ 情景例句
What pretty flowers! Thank you.
好漂亮的花!谢谢你。
I usually wake up early.
我通常早醒。
and that this happens at a rate which differs little from person to person,
衰老的速度在人与人之间相差甚微，