风面 meaning in English

wind piston

If a greenhouse is extra tight, the airflow from the inlet side of the house to the exhaust fan will be relatively well confined .
如果温室很密闭，室内从进风面到排风扇的气流就比较好控制。
The drift of a ship or an aircraft to leeward of the course being steered
偏航，漂移船只或航空器航行过程中向背风面而作的漂移
Little did they know , when they parted that afternoon , that they were never to meet again
（他们那天下午分手时，根本不知道他们的来就永远不再风面了。）