该目昆虫的前翅发展成坚硬的鞘翅或壳.In this order the the forewings are modified to form hard elytra or cases.鸟儿的翅膀肿了,前翅不见了.The birds'wing was swollen and the primaries missing.雄蟋蟀凭借前翅的磨擦发出唧唧声.TYPICAL USE : Male crickets chirping noi...
We may reexamine our goals or our methods for attaining our goals.我们可能会重新审视我们的目标或我们实现目标的方法。Jim is halfway to attaining his pilot's licence.吉姆就快要拿到飞行员执照了。By that time she was attaining to fifty.那时她已快到五十岁了....