1.apply to 适用于；运用；致力于

The same logic could well apply to the iphone.
同样的逻辑或许也完全适用于iphone。

These passwords apply to the entire workbook.
这些密码可应用于整个工作簿。

2.no longer 不再，已不

That model no longer works.
这种模式现在不再有效。

But it no longer does.
但美国已经不再需要。

3.work out 解决；作出；锻炼

Britain, too, must work out what it wants from the eu.
英国也必须解决一个问题，即本国想从欧盟得到什么。

New cars often suffer quality glitches that auto makers try to work out over time.
新款汽车常常存在质量上的毛病，需要生产商花时间来解决。

4.stem cell 干细胞

Her right-to-life convictions extend to stem cell research, which she opposes.
她还反对干细胞研究，以表现她那泛滥的”生存权“信念。

Long-term follow-up after allogeneic hematopoietic stem cell transplantation.
异基因造血干细胞移植后的长期随访。