Holotoxin
全毒素
🗣️ 情景例句
It's a perfect day for a walk.
这可是一个散步的好天气。
I appreciate your helping me.
感谢你的帮助。
(A light year is the distance which light travels at 186,000 miles per second in one year,
一光年是光以每秒186，000英里的速度在一年内走的距离，