aloft基本解释
adv,在空中；在高处；在上面,同近
But in the stratosphere they can stay aloft for years, spread by fast winds known as jets, meaning the threat is global..但在平流层，它们可以在高处停留数年，高速的风对其进行传播，这意味着全球都受到了威胁。
在高处, 在上英释中释advhigh up in the air
