吃透英语课本，提升在校竞争力
n. 公吨（等于1000公斤）
复数：tonnes
By the late 19th century, kola nuts were being shipped by the tonne to Europe and the US.
到19世纪末，可乐果被整吨整吨地运往欧洲和美国。
Their initial calculations and scale-model wind-tunnel experiments convinced them they wouldn't need a strong wind to lift the 33.5-tonne column.
他们最初的计算和风洞比例模型实验使他们确信，不需要强风就能提起33.5吨的柱子。
The truck carried a tonne of steel.
这辆卡车载了一吨钢。
The truck carried a tonne of sand.
卡车运载了一吨沙子。
