n.冬,冬季
Heating bills are highest in the wintertime.
取暖费用在冬季最高.
In wintertime he will don a wet suit and go right on surfing.
到冬季,他就穿上橡皮紧身衣去冲浪.
The polar vortex is a system of wintertime winds.
极地涡旋是冬季风形成的一个风系。