The process itself is referred to as adventive embryogenesis.其过程本身称为不定胚胎发生.Charcoal prevents browning of tissues and stimulates embryogenesis and rooting.炭可防止组织变棕色并刺激胚胎发生与生根.Impressive metabolic alternations have been un...
我们和那些政治家之间的关系很不稳固。There is an uneasy relationship between us and the politicians.这项研究犹如建在流沙之上，基础极不稳固。The research seemed founded on quicksand.这项和平条约建于不稳固的基础上.The peace treaty rests on shaky foundations....