dls test响度: loudness; volume; sensitivit ...辨: distinguish; discriminate; d ...差: send on an errand; dispatch总和: sum; total; totality; tale; ...试验: experiment; test; trial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:响度辨差总和试验,即可在微信中查询翻译