单词	write down,
释义	英華字典資料庫同義詞☞compiled
随便看	dual tone multifrequency dual-tone multi-frequency dual-tone multifrequency dual-tone multi-frequency-- dtmf dual-tone multi-frequency; dtmf dual-tone multifrequency (dtmf) dual tone multi-frequency receiver unit dual tone multi frequency，dtmf dual-tone multiple frequecny dual tone multiple frequency dual-trace dual-trace amplifier dual-trace oscillograph dual-trace oscilloscope dual-trace--oscilloscope dual-trace theory of memory encoding dual track dual track recorder dual traverse barograph dual tree dual trigger contract dual triode dual trip system dual type highway dual type switch board