Thermoduct
温度逆增形成的大气层波导
🗣️ 情景例句
I am, too.
我也一样。
Do you have the tickets, or not?
你到底有没有买票？
Between 1850 and 1910 the bison population is thought to have fallen from 60 million to just a few hundred.
人们认为，在1850年到1910年之间，野牛的头数从6，000万头降到只有几百头了。