Stratiomyidae
水虻科
🗣️ 情景例句
I can't put my finger on what exactly makes a written piece a classic.
我不知道什么使一篇著作成为经典。
We feel your product is too specialized for mass marketing.
我们认为你们的产品对广大市场而言太专业化了。
What seems to be the problem.
什么样的问题呢？