Etherone
乙炔睪酮
🗣️ 情景例句
Please check to be sure you have your belongings.
请记得带您的行李。
A good book is a best friend who never turns his back upon us.
一本好书，莫逆之交。
Suddenly they came to a waterfall which dropped into an underground lake at the bottom of the cave.
突然，他们来到一道瀑布前，那瀑布奔泻而下，注入洞底一处地下湖里。