Borthiin
环硼硫烷
🗣️ 情景例句
I'm on the top floor.
我在顶层。
A hen is on her eggs.
母鸡蹲在它的蛋上。
She kept it tied to a tree in a field during the day and went to fetch it every evening.
白天，玛丽把羔羊拴在地里的一颗树上，每天晚上把它牵回家。