我真的不明白为什么要改变它。I really don't see any reason for changing it.达尔文的语言无论对专家还是非专业人士而言都明白易懂。The language of Darwin was intelligible to experts and non-experts alike.他不明白为什么他的计算器上面的数字向右倾斜。He wonders why the digits on his c...
The design can be worked in cross stitch.这个图案可以用十字针法绣出来。The surgeon would pick up his instruments, probe, repair and stitch up again.外科医生会拿起他的工具，探查、修复然后再重新缝合。Embroidery calls for great care . There must not be even a sin...
It is made of a bed of wool felting together.它是由一层层毛毡螺旋缠绕粘接制作而成.Fabric : A cloth produced especially by knitting, weaving, or felting fibers.尤其是针织, 机织, 或毡纤维,所生产的布.Lipid layer of a hydrophobic surface on which the anti fe...