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 ...
The word Easter derives from Eostre, the pagan goddess of spring.Easter(复活节)一词由Eostre(多神教的春天女神)衍生而来。She spends her Easter holidays taking groups of children to France.她带领一群孩子去法国过复活节。In the end, we all decided to organize...