基本解釋信號流跟蹤器同根派生 trace-flow相關(guān)詞英漢例句I can't trace that letter you sent me. 我找不到你寄給我的那封信。He spoke without a trace of emotion. 他說話時毫不動感情。Did the police find any trace of the murderer? 警方找到兇手的行蹤了嗎?A free flow of water came from the pipe. 水從管道里通暢地流了出來。They failed to find any trace of the runaways. 他們未能找到逃跑者的任何蹤跡。trace-flow更多例句