dry run

短语

演习, 排练 [电] 预习

发音

AU

词形变化

dry runs 复数

别名

dry-run

释义与例句

n.
  1. 1.

    A practice or rehearsal; especially, one that goes through all the motions of a physical process but without the raw material or workpiece present.

    习语

    They did a dry run of the demonstration before showing it to the CEO.

    When the dry run mode of a machine tool control is on, the machine can move rapidly because it is cutting only air, not metal. The operator can do a dry run and verify that the motions look correct.

词汇关系

名词

同义词 1

rehearsal

上位词 4

practice exercise drill recitation

下位词 3

run-through walk-through dress rehearsal

词源

From dry (“impotent; harmless”) + run. First attested in print in 1941, but apparently much older in spoken English.

来源：wiktionary