Compounds in black tea can attack the bacteria that form plaque and prevent the plaque from sticking to teeth, U. S. researchers found.

美国的研究人员发现，红茶中的多种化合物可以杀灭导致牙菌斑的细菌，也可以防止牙菌斑粘附在牙齿上。

youdao

You may be able to get a green card as an immediate relative or as a family member in a preference category if your u. S. citizen relative files a Form I-130, Petition for Alien relative, for you.

如果你的美国公民的亲戚为异国的你填写一个表格i - 130，你可以作为一个至亲、家人享有优先权而获得绿卡。

youdao

The chemical structures that form the units of DNA and RNA and that encode genetic information i.e. the bases that make up the base-pairs are A, G, T, C and U (see DNA).

形成DNA、RNA单体以及编码遗传信息的化学结构，也就是组成碱基对的碱基包括A、G、T、C、U。

youdao

It comes at a pivotal point in U.S.-Iraqi relations, as both sides attempt to form a new working relationship.

VOA: standard.2009.07.28

But al-Shabab, which follows an ultra-conservative form of Islam, opposes the moderate version of Islamic law the president and his U.N.-supported government are likely to put in place.

VOA: standard.2009.04.17

Its three principal areas (spa, fitness and pool) form a U-shape surrounding an interior courtyard atrium.

FORBES: The Old South rises again at the Spa at Sea Island, Georgia.

In the U.S. his strategy is to form partnerships rather than compete head-on with U.S. carriers.

FORBES: Reverses

Federal form 1040NR-EZ, U.S. Income Tax Return for Certain Nonresident Aliens With No Dependents (downloads as a pdf).

FORBES: A Beginner's Guide To Taxes: Which Tax Form Should I File?