The brain then suddenly sends an emergency signal, telling the person to wake up and take in a big gulp of air.

然后大脑会忽然发出一个紧急信号，惊醒人们赶紧深呼吸一下。

youdao

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。

youdao

As a result of it, the wake of air forced backwards by one segment of the snake's undulating body may provide extra lift to the segment behind in the sidewinding glide.

这样，摆动树蛇的身体的前半部分擦过的空气尾流可对侧风滑行的后半部分起到提升的作用。

youdao

The school is in the process of patenting a process in which dogs would sample the air left in the wake of travelers passing through an airport terminal.

CNN: Are dogs the key to bomb detection at airports?

By the 17th century, the walls of the court were painted with a noisome cocktail of ox-blood, ox-gall, lamp black and a bucket of urine: soon afterwards, tennis became unfashionable and all but disappeared to be revived as a modified, open-air sport, in the wake of the invention of the lawn-mower, by Major Wingfield in the 1870s.

ECONOMIST: History of the net

Paris (CNN) -- It should become easier to find flight data recorders in the wake of the Air France Flight 447 disaster, an aviation industry expert says.

CNN: Flight 447 sparks black box rethink