Each sub will have one or two pilots onboard who use pedals or some other propulsion system to guide their vessel across the 328-foot (100-meter) submerged racecourse the fastest.

每个潜艇都将有一两个驾驶员在艇上使用踏板或其他推动系统来引导他们的船最快地穿越水下328尺（100米）的比赛航程。

youdao

Sometimes I outline in more detail, and sometimes I just jot down a few sub-headings that will guide me through it all.

有时我会记录一些细节，有时我只是草草记下一些能够引导我贯穿全文的小标题。

youdao

The ITIL guide breaks down the key principles of the IT service management discipline into the following sub-categories, which are collectively known as the ITIL framework (see Figure 1).

ITIL指南将IT服务管理规程的主要原则分为以下几个子类别，这几个子类别统称为itil框架(请参见图1)。

youdao