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試す， 験す， ためす
1. to try (out), to have a try (at), to test, to put to the test
尝试；试一试；进行尝试；进行测试；接受测试
は
1. indicates sentence topic
2. indicates contrast with another option (stated or unstated)
3. adds emphasis
指示句子的主题；表示与另一选项（无论是否明确提及）形成对比；表示强调
