[水产]交叉遗传
网络 克里斯; 葛蕾; 克里斯安吉尔的魔术
When the planet Mars was first observed through a telescope, people saw that the round disk of the planet was criss-crossed on earth that are viewed from an airplane.
当第一次用望远镜观测到火星时,人们从飞机上看到,火星的圆形圆盘在地球上纵横交错。
The city is criss-crossed with canals.
这座城市里运河纵横交错。
They criss-crossed the country by bus.
他们乘坐公共汽车在乡间交叉往返。
They were skeletons of strong criss-cross beams, with solid material between, coated with plaster.
它们是由坚固的十字形梁构成的骨架,中间夹着结实的材料,外面涂了层灰泥。
She criss-crossed the country giving her own speeches.
她往来于国土上发表自己的演讲。