tank 1 S2 W2 / tæŋk / 名词 [可数名词]

1 a large container for storing liquid or gas :

The water tank is leaking.

Somehow the chemical got from a storage tank into water supplies.

fish/marine/breeding tank (= for keeping or breeding fish in )

the plane’s fuel tank

petrol tank British English gas tank American English

2 ( also tankful ) the amount of liquid or gas held in a tank :

We set off next day on a full tank.

tank of

a tankful of petrol

3

a heavy military vehicle that has a large gun and runs on two metal belts fitted over its wheels

4 a large artificial pool for storing water

5 in the tank American English informal failing and losing money

be/go in the tank

Sales can’t keep going up, but that doesn’t mean the industry is going in the tank.

→ think tank , septic tank , drunk tank