His friend was less good-looking, but a lot more informal and relaxed.他的朋友没那么英俊，却随意、放松得多。The restaurant is informal, stylish and extremely good value.这家餐厅氛围轻松，装修雅致，而且价格非常公道。She is refreshingly informal.她不拘礼节，让人耳目一新。...
invertebrate zoology无脊椎动物的动物特性soil invertebrate土壤无脊椎动物Half of all invertebrate species live in tropical rain forests.一半的无脊椎动物物种生活在热带雨林中.marine invertebrate海洋无脊椎动物Cropland surface soil invertebrate living in it is conside...
I had to wear long sleeves to stop myself scratching.我只好穿上长袖衣服以免自己挠痒。It wasn't easy scratching out a living in those hard times.在那段艰难的日子里,糊口真不容易.If you keep scratching away at that spot, you'll break the skin.你...