ton的复数是tons 还是tones?

ton的复数是tons 还是tones?

题目
ton的复数是tons 还是tones?
能说的详细点吗?我也觉得应该是tons,但是有份资料上写的是tones,我不敢说那份资料是错的,有没有什么例句什么的,权威一点的?
答案
TONE is a sound.
In America:
1 ton or short ton (plural tons or ton) = 100 cubic feet
1 long ton weight = 35 cubic feet of seawater displaced by ship
for cargo 1 ton usually equals 40 cubic feet,also called measurement ton.
METRIC (Everywhere but USA)
1 metric ton = 1.102 short tons or 1,000,000 g you can write it as 1 t.
Metric tons also are somtimes written tonne.
The US system table is here:
The metric system table is here:
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