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)...
The method has the instrument more automatized and provides higher accuracy in measurement as well.该方法不但提高仪器的自动化程度,而且能够提高测量精度.The reference program provided by this paper can make the constructive process automatized.本文提...
There is no easy short-term solution to Britain's chronic economic malaise.短期内迅速治愈英国经济顽症的灵丹妙药并不存在。He complained of depression, headaches and malaise.他主诉自己情绪低落，头痛且身体不适。You can see signs of ( a creeping ) malaise in o...
Sallie and Julia and I were just running to catch a train.莎莉,朱丽雅和我正急着赶火车.Her Aunt Sallie gave her an uncharacteristically extravagant gift.萨莉姨妈送给她一件贵得离谱的礼物。Sallie won the pole vaulting.莎莉撑杆跳获胜.Her Aunt Sallie gave her an...