查询词典 organisms

The Science of Ecology The world in which we live consists of living organisms and non-living structures.

生态科学我们生活的世界由生物和非生物构成。

Of non-living objects the state of being free of pathogenic organisms.

没有病源机体的状态。

Single-celled or noncellular spherical or spiral or rod-shaped organisms lacking chlorophyll that reproduce by fission; important as pathogens and for biochemical properties; taxonomy is difficult; often considered plants.

单细胞或无细胞的球状或螺旋状或棒状的缺乏叶绿素的有机体；通过分裂繁殖；和病原体一样对生物化学很重要；很难分类；通常被认为是植物。

Tetraploid organisms may arise by the fusion of two diploid gametes that have resulted from the nondisjunction of chromosomes at meiosis, or by nondisjunction of the chromoosomes during the mitotic division of a zygote.

四倍体的产生可能是由于两个二倍体配子发生融合，这种二倍体配子又是在减数分裂中染色体不发生分离而形成。四倍体也可能因为受精卵进行有丝分裂时染色单体未发生分离而形成。

Ecology The study of the relationships of organisms to one another and to their living and nonliving environment.

生态学：是研究生物与其他生物以及与有机和无机环境之间的关系的学科。

The organic phenomenon that distinguishes living organisms from nonliving ones.

区别活的和死的生物体的有机现象。

Place where an organism or a community of organisms lives, including all living and nonliving factors or conditions of the surrounding environment.

单一生物或群聚生物居住的地方，包括周围的和生命或无生命有关之环境。

Any of various small, flattened marine organisms of the subphylum Cephalochordata, structurally similar to the vertebrates but having a ''.'notochord'.

蛞蝓鱼类任一种体形较小的头索动物纲的扁平海洋动物，它们在结构上与脊椎动物类似，但只有一个''。

All organisms have nucleic acids present in their cells.

所有生物的细胞中都有核酸。

Carbon dioxide (CO2) is an important environmental cue for many organisms but is odorless to humans.

二氧化碳（CO2）对于许多生物是一种重要的环境信号分子。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。