Here's what you'll need: a straight-sided glass or jar and black-and-white newspaper.

你需要的是：一个直边玻璃杯或罐以及黑白报纸。

youdao

Here's what you'll need: a straight-sided glass or jar and black-and-white newspaper.

你需要的是：一个直边玻璃杯或罐以及黑白报纸。

youdao