With a low-pitched rumbling noise, the propeller began to rotate.伴随着隆隆的低沉噪声，螺旋桨开始旋转起来。The engine turned a propeller.发动机使螺旋桨旋转起来。The freighter fouled its propeller in fishing nets.货船的螺旋桨被渔网缠住了。...
The timing of the gun was precisely synchronized with the turning of the plane’s propeller.风门的调速与飞机螺旋桨的转动精确同步。A fairing fitted over the hub of the propeller in some aircraft.螺桨毂盖,机头整流罩某些飞机上装于螺旋桨叶毂上的整流罩....the propeller s...
One laboratory stock of Drosophila melanogaster has very reduced or vestigial wings.果蝇的一种实验品系,翅膀缩小,称为残翅.THREE NEW SPECIES OF NICRICOLOR SPECIES - GROUP OF DROSOPHILA ( LORDIPHOSA ) ( DIPTERA: DROSOPHILIDAE )黑色拱背果蝇种组三新种记述...
他不再懒洋洋地注视着下面的景色。He roused himself from his lazy contemplation of the scene beneath him.金鱼聚在一起贴着水面懒洋洋地游着。Goldfish were swimming lazily in a group just under the surface.可以在沙滩上懒洋洋地躺着，我高兴极了。I was happy enough to laze about ...
内壳层跃迁机制是实现超短波长激光的一种很有潜力的方案.Employing the inner - shell transition mechanism is a potential way to obtain ultra short wavelength lasers.电子原子碰撞内壳层电离截面在实验及理论研究两方面都具有重要意义.The study inner - shell ionization cross - sections b...
记住：保持乐观的心态，好事自然会发生。Remember, keep a positive attitude and good things will happen.你必须全力以赴，最大限度地去努力。如果你这么做，并且保持乐观，你就会看见乌云背后的幸福线。You have to do everything you can. You have to work your hardest. And if you do, if you stay ...
单身的人往往更加无拘无束。People that are single tend to be more footloose.所有单身的全日制学生都必须住大学宿舍。All single full-time students must reside in university residence halls.已婚的人与单身的人通常有不同的人生观.Married people usually have a different view of ...