testing ground
短语试验场
词形变化
testing grounds
复数
释义与例句
n.
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1.
A military site that is used for testing weapons.
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2.
A location set up for the testing of vehicles, machinery, agricultural techniques, etc. to ensure that they work as intended.
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3.
A situation or thing that allows new ideas, methods, or hypotheses to be tried out.
比喻 -
4.
A situation or problem that allows people to test how good they are.
比喻