这个车库没有隔热层，冬天特别冷。

The garage is ___uninsulated, so it gets very cold in winter.

新生儿在寒冷的房间里显得特别脆弱，因为他们的体温调节系统还未发育完全。

Newborns are especially vulnerable in cold rooms because their temperature regulation systems are still ___uninsulated.