1·Army helicopters tried to evacuate the injured.
军用直升机设法撤出伤员。
—— 《柯林斯英汉双解大词典》
2·The mechanics work hard to keep the helicopters airworthy.
机修工们为了保障直升机的适航性而努力工作着。
—— 《柯林斯英汉双解大词典》
3·They want arcade games and rides in helicopters and goodness knows what else.
他们想玩街机游戏，坐直升机，天知道还有什么。
4·State promises to provide more up-to-date engines, planes, and helicopters to fight fires have been fulfilled.
州政府承诺提供更多新式发动机、飞机和直升机来灭火，这一承诺已经兑现。
5·The Tunisian military has sent reinforcements and helicopters to the area, and authorities have been hunting several attackers who were still at large.
突尼斯军方已经派出增援部队及直升机到该区域，官方也正在追捕几名在逃人员。