水深得要命，我和树熊象石头一样沉到底。
三根牙签搁在玻璃杯的边上固定住了核，让它就这样不会沉到底。
The toothpicks will rest on the rim of the glass and hold the pit in place so it doesn’t sink to the bottom.
同时液体分子又会，与微小的颗粒相互作用，所以微小颗粒，不会沉到底部。
And these molecules would interact with these very small and light particles and so the light particles would never make it to the bottom.
假设这里有一些液体，里面有许多微小的颗粒-，它们很小、很轻，所以不会沉到底部。
Suppose I have a liquid - which has very, very fine, small particles in it — extremely small, so small and so light that they will not sink to the bottom.
倒好龙舌兰和橘子汁后，滴入适量石榴糖浆，它会沉到底部，搅拌着饮料看太阳升起吧！
Build the tequila and orange juice and then drop the grenadine on top of drink. It will sink to the bottom. Stir to watch the sun rise!
倒好龙舌兰和橘子汁后，滴入适量石榴糖浆，它会沉到底部，搅拌着饮料看太阳升起吧！
Build the tequila and orange juice and then drop the grenadine on top of drink. It will sink to the bottom. Stir to watch the sun rise!
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