Substance p
[化] P物质
🧩 词语组成解析
🗣️ 情景例句
She flunked her English examination.
她的英语考试失败了。
I've lost my nerve.
我失去了勇气。
He's been there for over two years. He's been there since two years ago.
他到校有两年多时间了。他两年前就到那儿学习了。