Molecular solution
[化] 分子溶液
🧩 词语组成解析
🗣️ 情景例句
that I never could have done this book
我不可能完成这本书
Necessity and opportunity may make a coward valiant.
需要和机会，可使懦夫变勇敢。
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。