矿工头戴钢盔，防备落下的岩石。
士兵们用树叶遮盖钢盔当掩护。
The soldiers covered their helmets with leaves as camouflage.
用这类树脂生产了成百万只钢盔内衬。
士兵们垂下头，手持钢盔，站在上星期被震倒的城镇的瓦砾堆上。
Heads bowed, helmets in their hands, soldiers balanced on the rubble of a town devastated by last week's earthquake.
对珊迪来说，海绵宝宝是她在海里最好的特技表演伙伴，当他们在一起时，钢盔和降落伞通常是必不可少的。
For Sandy, SpongeBob is the sea bottoms best stunt buddy, and when they get together, crash helmets16 and parachutes17 are usually required.
对珊迪来说，海绵宝宝是她在海里最好的特技表演伙伴，当他们在一起时，钢盔和降落伞通常是必不可少的。
For Sandy, SpongeBob is the sea bottoms best stunt buddy, and when they get together, crash helmets16 and parachutes17 are usually required.
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