The iron teakettle was hissing splendidly over live coals.煤火烧得正旺，上面的铁茶壶嘶嘶地响个不停。Caporelli made a small hissing sound of irritation.卡波雷利气愤地哼了一声。The steam escaped with a loud hissing noise.蒸汽大声地嘶嘶冒了出来。...
When we bought the house, it was structurally sound.我们买下这栋房子的时候，它的结构还非常坚固。The church was structurally unsound.那个教堂的结构很不坚固。When we bought the house, it was structurally sound, but I decided to redecorate throughout.我们买下这幢...