慢速英语:American Shipbuilding Company Uses Old-School Ideas to Train Workers

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practical – adj. real, as opposed to theoretical or something taught in a classroom; relating to what can or should be done in an actual situation

pile – n. a group of things that are put one on top of another or in one area

unit – n. a set of similar pieces of something that are attached or joined

assemble – v. to connect or put together the parts of something, such as a machine

bowels – n. the deep inner areas of a place

adjust – v. to change in order to work or do better in a new situation