Clapperboards
n. 拍板；场记板（拍电影时用的）
🗣️ 情景例句
A dog!
一只狗！
My grandfather got married in 1921.
我的祖父在1921年结婚。
This is a pity, because noise abatement really is a good cause.and it is likely to be discredited if it gets to be associated with bad science.
要求减少噪音确实是件好事，但是如果与拙劣的科学掺杂在一起的话，就不会被人们所信任，这是很遗憾的。