1·Riot police fired in the air and lashed out with clubs to disperse hundreds of demonstrators.
防暴警察向空中开了枪，并猛击警棍来驱散数百名示威者。
—— 《柯林斯英汉双解大词典》
2·The troops fired blanks in the air.
部队向空中放空弹。
—— 《牛津词典》
3·"You just think lovely wonderful thoughts," Peter explained, "and they lift you up in the air."
“你只要想一些有趣的事情，”彼得解释说，“它们就会把你带到空中。”
4·Some raised their shoes in the air and chanted: "He'll go!
一些人向空中举起自己的鞋子并反复的说：“他要下台！
5·Its great steel framework can be used to hang vessels holding a kale yard in the air.
巨大的钢铁结构可以挂上容器，每个容器就是一个空中菜园。