Betaine
n. [化]甜菜碱, 三甲铵乙内酯
🗣️ 情景例句
It can go beyond the school system, Ellen.
这可以推广到学校体制以外， Ellen。
Everybody's business is nobody's business.
人人都管，大家不管。
After that she helped her parents. She quickly cooked the supper, and cleaned the house.
之后她给父母帮忙。她很快煮好了晚餐，并把房子打扫干净。