吨

zhè kuài yǔn shí yǒu sān dūn zhòng

这块陨石有三吨重。

This meteorite weighs three tons.

zhè sōu háng kōng mǔ jiàn zhòng dá dūn

这艘航空母舰重达15吨。

The aircraft carrier weighs 15 tons.

tā men shōu dào liǎng dūn méi de dìng dān

他们收到两吨煤的订单。

They received an order for two tons of coal.

wàn dūn

400万吨

4 million tons

měi dūn

每吨

per ton