他无私的精神表现在各个方面.His selfless spirit is revealed in every thing he does.作为一名教师,他是无私的.He is selfless as a teacher.人民敬重总统无私的品质.The people esteemed the president for his unselfishness....
A plane orbited over the landing field.有一架飞机在机场上空盘旋.How many spacecraft have orbited the moon?有多少艘太空船已经绕月球轨道运行过?The space shuttle orbited a communications satellite.航天飞机将一颗通讯卫星送入轨道....
要使这种形式的喷出物质量很大是有困难的.It is difficult to exhaust much mass in this form!喷出物造成的转变远超过先前的再游离过程.The transformation wrought by outflows was much more severe than the earlier reionization....
With the X - frames projecting into the boxes, the transverse diaphragms were formed.把这些 X 框架放进这些箱体, 就成了横隔梁.The diaphragms may be flat or corrugated.膜片可以是扁平的,或是波纹的.These structures were usually skewed with the diaphragms...