地衣是一类独特的生物有机体,其体内合成了多种特殊的次生代谢产物,主要为缩酚酸、缩酚酸环醚 、 缩酚酮、二苯并呋喃等类化合物.A lot of secondary metabolites such and were produced by lichens, a class of unique organisms....
Any two diameters of a circle intersect each other.圆周内两直径必相交.Idear for deburring and polishing inside diameters of pipe and tubing.理想的用于管、孔内壁的去毛刺、抛光和难以到达处的打磨抛光.This microscope magnifies 40 diameters.这台显微镜能放大40倍.The micro...
他对她十分敬畏；她令他着迷。He was in awe of her; she held him spellbound.她让我心生敬畏。She filled me with a sense of awe.充满敬畏的人群安静地聆听。The crowd listened in awed silence....
Anticipating that it would soon be dark, they all took torches.他们预见到天快黑了, 就都带上了手电筒.We are not anticipating that there will be much trouble.我们不期望将有许多麻烦.They are cowardly, and are always anticipating danger.他们胆小怯懦, 总是提防着危险...