And he failed his last test.

他上次考试就不及格。

It's unclear when he last tested negative for the virus or what toll the disease could take on his lungs.

目前尚不清楚他最后病毒检测呈阴性是何时，也不清楚这种疾病会对他的肺部造成何种损害。

Did they add questions to your last test?

他们在你上次测试时加问题了吗？

How did you do on the last Chinese test?

你上次语文考试考得怎么样？

You did really well on the last English test, didn't you, Meiping?

在最后的英语测试，你做的很好，不是吗，Meiping？

Not after your last cholesterol test.

从你上次胆固醇检验后就不可以了。

Okay, next: Were you ready for your last English test?

好的，下一个：你准备好上次英语考试了吗？

I got a " D" on the last test and I have to do better on this one.

埃琳娜：我在上次考试中得了“D”，这次我必须做得更好。

She says, " I got a 'D' on the last test and I have to do better on this one" .

她说，“我在上次考试中得了‘D’，我必须在这次考试中做得更好”。

The study noted the share of retailers and other chains using receipts that contain BPA or BPS has declined since it last tested for the chemicals, decreasing from 93% in 2017 to 80% now.

该研究指出，自上次对双酚 A（BPA） 或双酚 S （BPS） 进行检测以来，使用含有双酚 A 或双酚 S 收据的零售商和其他连锁店的比例有所下降，从 2017 年的 93% 下降到现在的 80%。