Because of the cold temperatures, the tundra has two layers: top layer, which is called the active layer, is frozenin the winter and spring, but thaws in the summer.
由于寒冷的气温，冻土带有两层：最上面的一层被称为活动层，在冬季和春季被冻结，但在夏季解冻。
2
I had slipped a disc and was frozenin a spasm of pain.
我的一块椎间盘脱臼了，突然一阵疼痛使我动弹不得。
《柯林斯英汉双解大词典》
3
I am not precisely sure how long I stayed frozenin that position, but the next thing I recall is the apparition vanishing before my eyes.