叶肉是由两层栅栏薄壁组织组成.The mesophyll consists of two layers of palisade parenchyma.NAA或6 - BA会引起马铃薯叶肉原生质体的褐化,但二者互作时却又抑制了原生质体的褐化.NAA or 6 - BA could cause the browning of mesoplyll protoplasts of potato.叶肉中通气组织发达,且均有不规则裂生性气腔.Aere...
On the mantelpiece are a pair of bronze Ming vases.壁炉台上是一对明代的青铜花瓶。Li Ming says that he has the honour of my friendship.李明说他很高兴与我交朋友.The invaders wantonly set fire to Yuan Ming Yuan.侵略者恣意妄为,把圆明园付之一炬....