by air

基本解释

Some substances resist corrosion by air or water.
有些物质可以抗空气或水的腐蚀。
The number of the persons who travel by air sums to the millions in summer.
在夏季乘飞机旅行的人数已达数百万人次。
But for Swire and Cathay it at least provides additional protection from too tight an embrace by Air China.
但对于太古和国泰而言，这至少为它们提供了额外的保护，以免被国航拥抱得透不过气来。

For the first time, a woman had crossed the Atlantic Ocean by air.
You'll remember the description of the world from Genesis 1 as an air bubble essentially that's formed by separating waters above and waters below.
大家都记得《创世纪》1中，把世界的描述1,一个大气泡,上面下面都被水覆盖。
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Being so caught up, So mastered by the brute blood of the air, Did she put on his knowledge with his power Before the indifferent beak could let her drop?
就这样被征服，这样被天空中野性的血液欺凌，她是否借他之力获得了知识,在那一意孤行的嘴放她下来之前？
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Long-distance passengers to and from Sicily travel by air and will doubtless keep doing so.
ECONOMIST: The Strait of Messina bridge