英语语法分析

The distribution of Seicercus affinis in China will be discussed in this paper.

文中还就白眶鹟莺在中国的分布情况作了讨论。

E. affinis, the "black" Echeveria, gives the new plant its color, and E. shaviana gives the plant its delicacy.

古紫将它的黑色赋予了这种新的植物，而莎维娜将它精致的特点赋予了这个新品种。

Objective to study acute toxicity of domestic detergents produced by four different factories on Xiphophorus heller, Poecilia and Gambusia affinis.

目的-研究4种不同产地的家用洗涤剂对红剑鱼、孔雀鱼和食蚊鱼的急性毒性影响。