Park in the shade when it's sunny if possible - the sun on a hot engine increases emissions.
晴天时，尽可能把车停在阴凉处——阳光照射下发烫的发动机会排放出更多温室气体。
As the lubricating oil passes over a hot engine part, it removes a certain amount of heat.
当机油经过发动机的热的部件时，它将带走一定量的热量。
The jet leaves contrails in its wake due to the temperature difference between the hot engine exhaust and the cold air.
这架喷气式飞机飞行时留下的凝结尾是由于其发动机与冷空气之间的温差造成的。
The jet leaves contrails in its wake due to the temperature difference between the hot engine exhaust and the cold air.
这架喷气式飞机飞行时留下的凝结尾是由于其发动机与冷空气之间的温差造成的。
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