the light-dark transition test明暗: light and shade穿: pierce through; penetrate箱: chest; box; case; trunk实验: experiment; test; trial run猫味隐蔽箱实验: the cat odor test with hide box下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:明暗穿箱实验，即可在微信中查询翻译
