英语词汇“produce an echo”的翻译、意思、用法、释义-英汉汉英双解词典

单词	produce an echo
释义	produce an echo 基本例句产生回声 Like an echo off a canyon wall, some of these waves bounce off the developing fetus and return to the probe.就像碰到峡谷里的墙壁会产生回声一样，这些波中的一些被发育中的胎儿反弹回来，并且返回到探针。
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