It's supposed to demonstrate the importance of having fixed units of measurement.

目是证明用固定单位量很重要。

This experiment proved that watermelons cut with clean knives will not form deadly bacteria when stored in the refrigerator.

这个实验证明，用干净刀切西瓜冰箱里不会产生致命细菌。

Comic relief is a tried-and-true way of creating the varied emotional texture a compelling story needs.

经过试证明，用喜剧调剂方式可以创造出引人入胜故事所需要情绪变化。

So proof of existence, using your brain. It's always a good idea to use your brain every day. Keep it active.

所以证明，用你大脑。 每天动动脑子总是一个好主意。 保持活跃。

" Exactly. So you'd like them to wait and work and keep on loving till they made you relent or plainly proved that it was no use" .

“完全正确。所以你希望他们等待并工作并继续爱， 直到他们让你心软或明确证明这是没有用” 。