横行的纤维即接索则把成对的两个神经节连在一起.The transverse fibres or commissure unite the two ganglia of a pair.在哺乳动物细胞中脑磷脂和神经节苷脂可能执行同样的功能.Those in mammalian cells, the cerebrosides and gangliosides, may perform similar functions.交感神经的神经节位于心...
The average life expectancy was 40.平均期望寿命曾是40岁。Three of the six have comfortably exceeded their normal life expectancy.6人中已经有3人轻松超过了正常的预期寿命。We were tense with expectancy.我们因期待而神经紧张起来。Pollution shortens considerably the l...
The dead elms have been replaced by a row of saplings.枯死的榆树已被移去而换栽了一排幼树.The saplings should be two metres apart.每棵树苗要隔开两米.The saplings are budding.小树抽出了嫩芽....