在泥盆纪末期，30％的动物物种都灭绝了。Near the end of Devonian times, thirty percent of all animal life vanished.收藏矿物 、 古生物学 、 中泥盆纪 、 二叠纪到早期的侏罗纪和白恶纪.Mineral, palaeontology, middle devonian, permian to early jurassic, and cretaceous.泥盆纪(系)...
They may be taking antidepressant medications and be overdrugged as well.他们也许正在服用抗抑郁症的药物,而且剂量过大.Depression is usually treated successfully with professional counseling or antidepressant medication.通过专业的开导或服用抗抑郁药物,都可能成功的治...
The Romantics believed that the life of the imagination was intrinsically valuable.浪漫主义作家认为想像的生命力本身就很重要.But for true romantics, love is the most important thing in life.但是对于一些追求真正的罗曼蒂克的人, 爱是生命中最重要的.Thereby he rejects the...
There is still great interest in boron as an essential plant nutrient.迄今硼作为植物的必要营养元素仍极其重要.Borax is the compound commonly applied to the soil to correct boron deficiency.硼砂是矫正土壤缺硼的常用硼化合物.Calmon has quoted ion exchange cos...
A thin cable carries the signal to a computer.一根细电缆将信号传送给一台计算机。The carrier wave has got out of phase with the signal wave.载波同信号波是异相的.Bloop [ to make the high - pitched sound of interference in a radio signal, ].bloop [ 在...
多项调查一致显示，男性认为天黑后在大街上行走是安全的。比如，参见欣德朗和加罗法洛（1978）。Surveys consistently find that men report feeling safe on the street after dark. See, for example, Hindelang and Garofalo (1978)....