单词	test run
释义	test runˈtest run noun [countable] Examples EXAMPLES FROM OTHER DICTIONARIES The generator failed three times during its test run. EXAMPLES FROM THE CORPUS Burfoot took a pair of Puma Concepts for a test run and said he liked them. Switch off, disconnect and cover A test run is important. The cameras were in court for a test run, not for broadcasting. The visiting locomotives will progressively arrive during the Steam Festival and after a test run will be used on weekend passenger services. This short crossing would be a test run. an occasion when you try doing something or using something before you really need to use it, to make sure everything works properly
随便看	letch letdown lethal lethargic lethargically lethargy Lethe Letraset let's letter letter bomb letterbox letterboxing lettered letterhead lettering Letterman, David letter of credit letter-perfect letter-size letting lettuce let-up leukemia Levant

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