Orthoformic acid
[化] 原甲酸
🧩 词语组成解析
🗣️ 情景例句
People shouldn't do drugs. They're too addictive.
人们不应吸毒，太容易上瘾了。
As soon as he comes, we'll let him know.
他一来，我们就告诉他。
He wanted to buy a $300 watch for his wife,
他走进一家高级商店，要为妻子买一块价值300英镑的手表。