单词 | speed |
例句 | speedspeed /spid/ noun ► speed how fast something moves or travels: ► rate how fast things happen, change, or develop: ► pace the speed at which someone does something, for example walks, runs, or works, or the speed at which something happens: ► velocity (formal) the speed at which something moves in a particular direction. Velocity is a technical word used in scientific writing: ► tempo the speed at which a person or band plays a piece of music: |
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