When can I get my test results?
我什么時(shí)候可以拿到化驗(yàn)結(jié)果？
We can reduce the problem to two main issues.
我們可以將這個(gè)問(wèn)題概括成兩個(gè)要點(diǎn)。
How long can a human being go without sleep?
人不睡覺(jué)能活多久？
The operation could prolong his life by two or three years.
這次手術(shù)可使他多活兩三年。
I could come next week, or the week after.
我可能下周來(lái)，或者再下一周。
You could see from his face that he was lying.
從他的表情上你可以看出他在說(shuō)假話。