Scher
abbr. 保健和环境科学委员会（Scientific Committee on Health and Environmental Risks）
🗣️ 情景例句
He never speaks unless he is spoken to.
除非别人先对他开口，他从不先开口。
We've already had a big demand for this product.
这种产品我们已有很大的需要求量。
Enough is enough!
够了够了！