The in part of the machine is very complex.
该机器内部结构非常复杂。
The shell is an important part of the machine.
壳体是机械中广泛使用的重要零件之一。
First you have to understand steam, and how it works by looking at each part of the machine.
首先,我们必须了解蒸汽机,通过观察它的每一个部分了解它的工作原理。
Also on board is a new exercise machine, which is part of ongoing studies into the effects of long-term space flight on muscle and bone loss in astronauts.
VOA: standard.2010.04.05
Okay, first of all, because everything relies on self-report there's no machine, for the most part, that can do objective measures of this, you don't really know when people are telling you what they're eating.
好,首先,因为任何事都是建立在自觉上,大多数环节没有机器参与,这样的方式比较主观,你并不需要,人们告诉你他们所吃的是否真实
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