Pentacosamic acid
[化] 脑酮酸
🧩 词语组成解析
🗣️ 情景例句
What, Harry?
什么 ，Harry？
You can't make bricks without straw.
没有稻草，制砖难搞。
While he was eating, I asked him to lend me twenty pounds.
当他吃饭时，我提出向他借20英镑。