考试不及格

He cheerily admits he failed exams two years in a row because of his Internet addiction.

他爽快地承认说，由于他沉醉于因特网，曾经连续两年考试不及格。

I commiserate with my friend after he failed his examination.

我对朋友考试不及格表示同情。

If you daydream,You'll fail your exams

如果你做白日梦，你会考试不及格的。

He felt rather downbeat when he knew he failed the test.

当他获悉自己考试不及格时，他情绪相当低落。

It is exasperating to fail the exam .

考试不及格令人恼火。

If you fail in the exam, you will let him down.

如果你考试不及格，你会让他。。。

It seems to me that we'll again fail in the exam.

在我看来，我们会再次考试不及格的。

It is likely that he will fail in the exam.

他很有可能考试不及格。

I fail/flunk the exam, because I didn't study.

因为我没学习所以考试不及格。

He worked hard for fear that he should fail.

他努力学习，害怕考试不及格。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。