strain after

The acid production during 3 hours in different divisions was investigated. On 50% division ratio, the acidity could reconvert to level before division after the strain grew for 12h.

对其进行了不同分割比例下3h的产酸情况实验，证实该菌在分割50%后，12h能恢复到分割前的酸度；

The author seems to strain after novelty.

作者似乎在力图标新立异.

I found it a strain looking after four children.

我觉得照料四个孩子挺累的。

After six weeks of uncertainty, the strain was beginning to take its toll.

6个星期的忐忑不安后，压力开始产生影响了。

After six weeks of uncertainty , the strain was beginning to take its toll.

6个星期的忐忑不安后, 压力开始产生影响了.

Read the text naturally; don't strain after effects.

读课文要自然, 不要装腔作势.