Since plastic shower heads appear to "load up" with more bacteria-rich biofilms, metal shower heads may be a good alternative, said Professor Pace.

佩斯教授说道，“因为塑胶喷头‘藏’有更多装载大量细菌的生物膜，所以金属喷头不失为（淋浴时）一个好的选择。”

youdao

The empty alternative can appear in a Normalized policy in conjunction with other non-empty alternatives. It simply states that taking no action is a valid choice.

空替代出现在标准化策略中用来连接其它非空策略，它只是说明不采用任何行动是正确的。

youdao

This alternative position doesn't appear to have a standard name, so let me call it the "climate-policy big bang."

这一不同主张还没有一个正式的名称，我姑且称之为“激进式气候政策”。

youdao

An alternative universe will appear within ours, and start expanding at the speed of light, destroying us as it goes.

ENGADGET: Alt-week 2.24.13: Mapping the brain, discovering dark matter and our inevitable, grizzly end

This post kicks off a Forbes conversation on alternative-fuel vehicles that will appear online over the next few days.

FORBES: Car Wars: The Silent Nissan LEAF

An alternative "baseline algorithm" approach developed by TRW that does not appear to have the sorts of problems said to be associated with the "extractor" is being preserved as a back-up in case the Raytheon kill vehicle ultimately proves unworkable.

CENTERFORSECURITYPOLICY: Center For Security Policy