A single archesporium differentiates immediately below the nucellar epidermis, it functions directly the megaspore mother cell.孢原细胞处于珠心表皮之下, 直接起大孢子母细胞的功能.Megaspore tetrad is linear. The chalazal megaspore develops into a...
Their economy crumbled under the weight of United Nations sanctions...在联合国制裁的重压之下，他们的经济崩溃了。A full-scale debate is under way on what ails the industry.关于工业为何陷入困境正在展开一场全面的讨论。Racism is wholly unacceptable under any circumst...
The mineral malachite contains the elements copper, hydrogen, carbon, and oxygen.矿物孔雀石包含的元素铜, 氢, 碳和氧.The main copper minerals are malachite, chrysocolla, little chalcopyrite, chalcosine and even little bornite and covell...
The electric fire had begun to singe the bottoms of his trousers.电暖炉的火刚开始烧着他的裤腿。Flares, loons and bell-bottoms are back.微喇、中喇和宽喇又火了起来。She wore blue tracksuit bottoms.她穿了一件蓝色田径裤。...
他声称自己被警察设计陷害了。He claimed that he had been framed by the police.4人全都声称警察捏造证据陷害他们。All four claim that officers fabricated evidence against them.也许安杰洛想要陷害我们。Maybe Angelo tried to set us up....
"They're slow, heavy and cost a fortune."— 'So how have these motorbikes become a fashion statement.'“它们又慢又重，还贵得很。”——“那么这些摩托车是怎样变成时尚标签的呢？”Cars and motorbikes had churned up the field.汽车和摩托车在地上留下了一道道车辙....a...