Laevoisometer
左旋性同质异构体
🗣️ 情景例句
Are all the classes within walking distance?
所有的教室都在步行范围之内吗？
Thanks. I'll certainly do that.
谢谢了，我一定会的。
The comparable speed from the Moon is only 1.5 miles per second.
而从月球出发的相应速度只是每秒1。5英里。