ton
ton n. (1)公吨 (2)吨 长吨，相当于1016公吨；短吨，相当于0907公吨。 (3)航运中不同种类的计量单位 如运费吨、登记吨等。
TON
ton
ton. A measure of weight fixed at either 2,000 pounds avoirdupois or 20 hundredweights, each hundredweight being 112 pounds avoirdupois. [Cases: Weights and Measures 3. C.J.S. Weights and Measures § 3.] long ton. Twenty long hundredweight (2,240 pounds), or 1.016 metric tons. short ton. Twenty short hundredweight (2,000 pounds), or 0.907 metric tons.