英语语法分析

The first hint of a breakthrough came when Blackburn was studying chromosomes in a simple pond-dwelling organism called tetrahymena.

布莱克本在研究一种简单的池生生物四膜虫的染色体时，获得了一个突破性的发现。

The results show that tricocyst test of Tetrahymena pyriformis is a recommendable, handy, and reliable method for biomonitoring with freshwater species.

四膜虫刺泡发射试验不需加活性酶，是一种值得推荐的快速、简便、可靠的水生生物短期测试方法。

The growth curve and generation times of Tetrahymena thermophila BF5 are used to study the water quality of the Yellow River in Lanzhou City with five samples.

在黄河兰州市区段采集水样，利用嗜热四膜虫（Tetrahymena thermophila）BF5的生长曲线和世代时间作为指标来评价水质。