乌龟背上有硬壳.A tortoise has a shell on his back.他们砸开坚果，剥去硬壳。They cracked the nuts and removed their shells.国务秘书从他的官员的硬壳里伸出了柔软的脑袋.The secretary had put forth his soft head from the official shell....
The unearthly silence was broken by a shrill screaming.一声尖叫打破了这可怕的沉寂。Shrill voices on both sides of the Atlantic are advocating protectionism.大西洋两岸都在大肆鼓吹贸易保护主义。Mary Ann's voice grew shrill.玛丽·安的声音变得尖厉了。...
The flood waters have receded since then, but residents are still bailing out.此后洪水已经开始消退，但居民还在往外舀水。We kept her afloat for a couple of hours by bailing frantically.我们拼命往外舀水，使它继续漂浮了几个小时。It is taxpayers who will pay most of...