For years, organic farmers have been using sprays containing Bacillus thuringiensis, or Bt, a naturally occurring bacteria, different strains of which are toxic to certain insects.

多年来，有机农业种植者一直在使用有苏云金芽孢杆菌（以下称作Bt）的喷雾.Bt是一种天然的细菌，是对特定昆虫有毒害作用的不同种的菌种。

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So if I were equivocating on the word BT, or the letter BT, my conclusion might not follow from the premises.

如果我用同样的话说BT，或者BT这两个字母，我的结论可能就不会紧随前提。

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P2P download: peer to peer (P2P) download software, like BT or eMule, allows you to search directly for courses by title, subject or university name.

P 2 P下载：使用像BT或电驴这样的P 2 P(对等联网)下载软件，你可以直接搜索课程名字，其所属学科或提供该课程的大学。

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The report examines the take-up of maize that has had the gene for a natural insecticide produced by a bacterium called Bacillus thuringiensis, or Bt, engineered into it.

ECONOMIST: Genetic modification works

Moreover, this system uses dramatically less power than BT or WiFi to sense other devices -- you're only using power for discovery two percent of the time, we're told.

ENGADGET: Qualcomm's FlashLinq long-range peer-to-peer communications tech demoed at MWC (video)

Viewers using Freeview, BT Vision or Top Up TV services had to re-tune their digital TVs or boxes on 10 October, and will have to do so again on Tuesday night.

BBC: Digital Switchover