Concentric spheres are parallel.同心球面是平行的.The street plan of the city has evolved as a series of concentric rings.该城市的街道平面图像一圈圈的同心圆环.On a blackboard, he drew five concentric circles.他在黑板上画了5个同心圆。...
They had landscaped their property with trees, shrubs, and lawns.他们用树木、灌木丛和草坪将房产装点了一番。carefully tended lawns set in a girdle of trees树木环绕、精心修整的草坪Every one was moving their lawns.大家都在割自家草坪上的草....
宫外孕的人还能怀孕 吗 ?Can the person of ectopic pregnancy still be pregnant?怀孕流血怎么回事, 是不是宫外孕?Be pregnant bleed how to return a responsibility, ectopic pregnancy?妊娠早期出血可能是流产或宫外孕的迹象.First trimester bleeding may signal a possible mi...