GbEng
这样,这架飞机才能升高,并在距山头四百英尺的高度飞越山顶。 The plane was then able to rise and it cleared the mountains by400 feet.
水闸用门关住的水道的一部分,如运河。其中通过升高或降低这部分的水位可以抬升或压低运输中的船只 A section of a waterway, such as a canal, closed off with gates, in which vessels in transit are raised or lowered by raising or lowering the water level of that section.