Cations
n. 阳离子；正离子（cation的复数）
🗣️ 情景例句
Great! It's a date.
太好了！ 就说定了。
What is the total circulation of this journal.
这份报刊总发行量多少？
He could not wash himself or get dressed.Instead, his sister or his parents had to help him.
他自己不能洗澡或穿衣服，他的姐姐或父母亲就只好帮他的忙。