A Mercedes carries a certain cachet.梅塞德斯车代表一种尊贵。He was driving a Mercedes racer at 100 mph and almost came to grief.他当时驾驶着一辆梅塞德斯赛车以每小时100英里时速度飞驰，险些出事。There's some speculation that the CLS's boomerang - shaped l...
Tyrannosaurus Rex was a large carnivore; insectivorous plants are considered carnivores.暴龙是一种大型的食肉动物; 食虫植物被看作食肉动物.And on your left, you have Tyrannosaurus Rex, a carnivore from the Jurassic period.在您的左边, 您看到的是暴龙, 一种来自侏罗纪...
The fossils at Dinosaur Cove are embedded in hard sandstones.恐龙峡谷中的化石都嵌在坚硬的砂岩中。The largest brain possessed by any dinosaur weighed about a kilogram.最大的恐龙脑子大约有一公斤重.In Alberta and Saskatchewan there are many hills where di...
She instructs music once a week at a middle school.她在中学每周教一次音乐课.Dr. Williams instructs us in botany.威廉博士教我们植物学.She instructs a class in chemistry.她给某班学生上化学课....
蛙类从不喝水, 它们通过渗透压的调节,从周围环境中吸收水分.Frogs never drink. They absorb water from their surroundings through osmosis.另外, 布劳斯汀还强调, 蛙类还是新型药物的重要来源.And, Blaustein noted, frogs are also important sources of new medicines.蛙类总是令人觉得很严肃的样子...