By+数字的问题!The plane cleared the mountains by 400 feet.不知道这里的by做什么解释.请教了,谢谢

By+数字的问题!The plane cleared the mountains by 400 feet.不知道这里的by做什么解释.请教了,谢谢 they go to hainan 【】A.by plane B.by the plane C.by a plane D.in plane they go to hainan( ) A by plane B by the plane C by a plane D in plane选择. by plane的意思? by plane的音标 The Greens usually come to China by plane.Here by plane means----. A.by bike B .by sea C .by carD.by air 写一下翻译解释! by plane 和 take plane 的用法 最快的旅行方式 英语 The ()()() travel is by plane. 选出括号内意思相同或相近的选项1.He'll go there (by plane） next week.A.by the air B.on plane C.on a plane .D.by a plane 2.We all know Africa (is out of) water.A.ia in lack of B.is full of C.run out D.use out 3.The girl （has a sweet by a plane 和take a plane by plane 和take a plane的区别 乘火车的费用是乘飞机费用的一半 The ( ) by train is ( ) ( )the ( )by plane. by a plane 与by plane的区别 by a plane的意思 by plane. by plane 一道简单的不等式数学题（英文好的进!）4.The region of the xy plane that satisfies y > x^2 or y > 0 is(A) a circle (B) a square (C) the region of the plane bounded by a parabola (D) a crescent-shaped region in the plane (E) the half o plane跟the plane的区别 比较级的问题,最近脑子不行了 ..关于比较级,我不知道该怎么判断了.EG.we'll go there by air because the train is _____ (slowly)than the plane.EG.It is much_____ (quicker,more quickly)to travel by plane than by train.我一直