Heptahydrate
n. 七水混合物
🗣️ 情景例句
I'd like to give her a nice going-away present.
我很想送给她一件好的离别礼物。
I wash his face and hands,and then I dress him.
我洗他的脸和手，并且我给他穿衣服。
Do you like coffee, Ann?
你喜欢咖啡吗，安？