Contrast stain
[化] 对比染色剂\\n[医] 对比染剂(指鉴别染剂、复染剂等)
🧩 词语组成解析
🗣️ 情景例句
You keep getting fatter and fatter.
你一天比一天胖。
I ought to write a letter.
我应该写一封信。
The conditions of society are such that skills have to be paid for in the same way that goods are paid for at a shop.
社会上的情况就是如此，技术是必须付钱去买的，就像在商店里要花钱买商品一样。