Such cultures could give rise to vascular tissues, roots and shoot buds.这样的培养可能产生维管组织, 根和苗端芽.Many of the cells in such cultures have somewhat sculptured walls.在这样的培养中很多细胞具有多少呈花纹状的细胞壁.Many natural fibers decay rapidly whe...
Smuggling guns, ammunition and drugs or assisting stowaways.七私运枪械 、 弹药、品或协助偷渡人口者.Julia was assisting him to prepare his speech.朱莉娅正在帮他准备讲演稿。She seemed to be assisting at a ghastly play in which she was the principal acto...