The Breguet - Richet Quadrotor helicopter Gyroplane No.1 built in 1907 is reported to have lifted into flight. 据报道,1907年,Breguet-Richet四旋翼直升机“旋翼机1号”已经飞了起来.
A flock of sea gulls are hovering over the deck.一群海鸥在甲板上空飞翔.The warden took us to a vantage point on the slopes where we saw herring gulls on the rocks below.管理员把我们带到斜坡上的一处有利位置，我们从那里看到了下面岩石上的银鸥。The gulls which haunted th...
Defacing a milk carton is punishable by a $ 10 fine.损坏牛奶盒的外观可处以10美元的罚款.Students found mutilating or defacing Library materials such as books, newspapers serials will be severly penalized.严禁涂污或撕毁任何馆藏(例如书籍 、 报纸、杂志)....
He worked as a bricklayer's mate.他给瓦工打下手。After he left school, he tried his hand at a variety of jobs—bricklayer, cinema usher, coal man.离开学校后，他尝试过各种工作，如泥瓦匠、电影院引座员、运煤工。The bricklayer on the roof was calling for more...
The government has ordered a crackdown on truancy.政府已经命令严厉查处玩忽职守行为。measures to combat persistent truancy in our schools我们各所学校对不断旷课行为的处理措施Schools need to reduce levels of truancy.学校需要减少旷课人数。parents who condone their child...