针对他们各人不同的需要挑选柔软、软硬适中或者坚硬的床垫。Choose a soft, medium or firm mattress to suit their individual needs.恐龙峡谷中的化石都嵌在坚硬的砂岩中。The fossils at Dinosaur Cove are embedded in hard sandstones.这种物质聚合形成坚硬的塑料。The substance polymerizes to ...
I thought she was teasing, playing the innocent, but looking back, I'm not so sure...我当时以为她是在勾引我，装纯情，不过现在回想起来，我又说不准了。She steadfastly maintained that her grandsons were innocent, and nothing could dissuade her from t...