基本解释n.須鯨同根派生 mysticete相关词英汉例句The origin of the mysticete's low-frequency hearing is far murkier, even though the fossil evidence of that group now dates back to as early as 34 million years ago. 雖然就化石記錄來看,須鯨在3400萬年前(漸新世初期)就出現了,可是牠們的低頻聽覺起源仍然混沌不明。mysticete更多例句