Look, the tea can let the toothpick up of the cup, but that's a boat, so we need a river, even a sea...

你观，茶杯里的水能轻易地把牙签托起来，但是那是一艘舟，我们就需要江河，要大海啦。

youdao

'you basically let the crystal fall on something, black or dark-colored, and then you have to pick it up with a toothpick or brush and put it on a glass slide,' Libbrecht said.

'基本上就是让晶体落在黑色或深色的背景上，然后用个牙签或刷子把它弄到玻璃幻灯片上，'利波瑞特介绍说。

youdao