coldadj.寒冷的；冷的；未热过的；已凉的；冷却的；冷漠的；不友好的；
n.冷；寒冷；(尤指)低气温；感冒；伤风；着凉；
adv.突然；完全；毫无准备地
Gas and oil consumption always increases in cold weather.
燃气和燃油的消耗量在天冷时总会增加。
The old feel the cold more than the young.
老年人比年轻人怕冷。
She has the window open, however cold it is outside.
不管外面多冷她都开着窗户。
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