Cations
n. 阳离子；正离子（cation的复数）
🗣️ 情景例句
You cannot believe how sorry I am.
你不知道我感到多么抱歉。
To enter outer space
飞出大气层，进入外太空
Fish love swimming round the rocks and through holes in them.
鱼喜欢绕着岩石和穿石洞游水。