by air

基本解释

Some substances resist corrosion by air or water.
有些物質可以抗空氣或水的腐蝕。
The number of the persons who travel by air sums to the millions in summer.
在夏季乘飛機旅行的人數已達數百萬人次。
But for Swire and Cathay it at least provides additional protection from too tight an embrace by Air China.
但對於太古和國泰而言，這至少爲它們提供了額外的保護，以免被國航擁抱得透不過氣來。

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.
大家都記得《創世紀》1中，把世界的描述1,一個大氣泡,上麪下麪都被水覆蓋。
耶魯公開課 - 舊約導論課程節選
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?
就這樣被征服，這樣被天空中野性的血液欺淩，她是否借他之力獲得了知識,在那一意孤行的嘴放她下來之前？
耶魯公開課 - 現代詩歌課程節選

Long-distance passengers to and from Sicily travel by air and will doubtless keep doing so.
ECONOMIST: The Strait of Messina bridge