Furthermore, dragline silk is elastic, which many of the man - made fibers are not.而且, 牵引丝具有弹性, 这是许多人造纤维所不具备的.Objective To obtain the whole length gene of dragline.目的为获得蜘蛛拖丝蛋白全基因.Araneus diadematus dragline silks are stu...
外公戴着一顶老式遮阳帽显得滑稽可笑.Grandad looks absolutely ludicrous in old sunhat.她戴着一顶紫色遮阳帽,漂亮极了.In a lilac sun bonnet she was it.在海滩上到处都是戴遮阳帽的游客.Tourists with sunshade hats are everywhere on the beach....
Keep the drill steady while it ascends and descends.打钻和提钻时要保持钻头平稳。This festival descends from a religious rite.这个节日起源于宗教仪式.The path descends steeply to the village.小路陡直而下直到村子....