牛群在湿地上吃草。Cows were grazing on the marshes.她赶着牛群穿过荒野.She drove the herd of cattle through the wilderness.他精心照料着牛群,不使它们瘦下来.He took care to keep the cattle from falling off....
目的: 从佩兰中提取挥发油,并测定其含量.Objective : To extract and determine naphtha in Eupatorium fortune.方法: 采取超临界CO2萃取 、 微波萃取和水蒸汽蒸馏三种方法提取佩兰挥发油.Method: The volatile oils were obtained with supercritical CO 2, microwave and stream distill...
Hamlet's soliloquy is probably the most famous in English drama.哈姆雷特的独白在英国戏剧中大概是最出名的了.To me the pageant of seasons is a thrilling and unending drama.在我看来,一年四季的绚丽景色犹如一出无尽的动人的戏剧.He has not finished his drama, in fact,...
Both lateritic deposit and gossan deposit are of weathering origin.红土型金矿床、铁帽型金矿床同属风化淋滤成因的残坡积表生金矿床.Exploration markers includes hot - water sedimentary rocks, gossan wall - rock alteration, and geophysical and geochemical...
Selective breeding may result in a greyhound running faster and seeing better than a wolf.选择性交配繁殖有可能培育出比狼速度更快、视力更佳的灵犭是。You can find Greyhound almost in every city, big or small.他们也可以通过车窗看见城市和乡镇, 但是很少乘客每天都在乘火车.He gaged a ...