marine biota海洋生物区They have had serious effects upon the biota of stream.它们对河流中的生物群体产生严重影响.regional biota区域性生物群The past decade has witnessed the discoveries of various important fossils from the Mesozoic Jehol Biota.摘要最近十...
你比当下我们见到的大多数表演者都强多了。You're miles better than most of the performers we see nowadays.一名身穿晚礼服的表演者用小提琴演奏了几段古典音乐。A performer in evening dress plays classical selections on the violin.他是现代爵士乐最有影响力的表演者之一。He was one of the...