| 词组 | steel |
| 释义 | 1． 常为不可数名词，但可以说: a million tons of steel a lot of steel rolls of steel a truckload of steel 2． 说各种“钢”，steel 可用复数: They produce stainless， carbon and low alloy steels. This implies the development of steels and alloys that can be used at high temperatures. |
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