Parallel lines converge at infinity.平行线永不相交.This eliminates reflections from infinity, as one expects physically.正如物理上所预期的,这就消除了来自无穷远处的反射.These permutations multiply towards infinity.这些排列可以增加到无穷大。It is shown that the pro...
I rode a hydrofoil ferry across the bay this morning.今天早上我驾驶快艇驶过海湾.Why can a hydrofoil move on a layer of air?为什么气垫船能靠后方的气流移动?The hydrofoil soon speeded up.那艘水翼船不久就增加速度....
他们中最成功的文人是朗费罗, 可是他又给我们提供了一些什么 呢 ?What has Longfellow the most successful of them all, to offer us?朗费罗能够在哈佛大学当上现代语言教授是出于幸运.Longfellow was lucky in securing a professorship of modern languages at Harvard.朗费罗也不是缺乏独创性, 不过才华不...