核质被核膜包裹.The nucleoplasm is surrounded by the nuclear envelope.第1时相, 卵原细胞细胞质较少,核质比较大.In the first phase, the oogonium has little cytoplasm and bigger nuclear - cytoplasmic ratio.在紧缩期间,核质中的物质可以分为异染色质和常染色质.At this phase con...
很多软体动物有触角.Many molluscs have tentacles.这个研究成果对企图采用直接测量方法测量接触角的研究人员,带来很大阻力.Such observation have deterred most prudent investigators from attempting direct contact - angle measurements.接触角对鸭和天鹅是颇为重要的.Contact angles are of...
莱斯特被用担架抬进救护车时我就在旁边。I was close by as Lester was stretchered into the ambulance.我们在旁边的办公室里等候。We waited in an adjoining office.他轻声和站在旁边的一对夫妇说话。He spoke softly to a couple standing nearby....
I was sent to boarding school, where I spent six years of unremitting misery.我被送到寄宿学校呆了6年，其间我的生活一直很悲惨。He watched her with unremitting attention.他一直全神贯注地注视着她。Once they had chosen, family disposition bound them to unremitt...