| 例句 |
The hot metal undergoes contraction as it cools.热金属冷却时会收缩。By accident he touched the hot metal, and yanked his hand away with a cry of pain.他偶然摸着了烫金属，疼的大叫一声抽回了手。The hot metal contracted as it cooled.热金属冷却时收缩。As the hot metal passed between the huge rollers it was pressed into thin sheets.炽热的金属块从巨大的轧辊中穿过，马上被挤压成薄薄的金属片。 |