Each hole leads to a small tube that runs to your nose.

每个洞都通向一根小管子，这条管子通向你的鼻子。

youdao

I'll show you this small tube.

一根很小的试管。

youdao

Here is a small tube.

这是一支小管子。

youdao

AeroShot is a small plastic tube loaded with 100mg of caffeine and B vitamins.

FORBES: The Future is Here! AeroShot Energy: Zero-Calorie, Air-based Boost of Caffeine

Garver said Wednesday that sending a small inflatable tube into space will be dramatically cheaper than launching a full-sized module.

NPR: Space Station To Get $18 Million Balloon-Like Room

It is a small plastic tube with 20 holes cut into it in which are inserted cut-down cigarettes, some ringed with lipstick.

ECONOMIST: Damien Hirst