first sound

英美

第一次声波

first sound的用法和样例：

例句

Alarmed at the first sound, we hit the dirt.
第一声警报一响我们就迅速卧倒。

first sound的相关资料：

临近单词

firstline first first hyperpolarizabilitiy first collision correction first point of Capricornus first dorsal terminal seta first-order Markov chain First degree burn of scalp First think and then speak First Battle of El Alamein first-class laboratories first-dose visualization

目录

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