Pnagus primarius
[醫] 主要噬菌體
?? 詞語組成解析
[醫] 噬菌體屬(舊名)
??? 情景例句
What's that, Mr. Carlson?
什么事， Carlson先生？
Who answers suddenly knows little.
答得迅速，懂得不多。
So was born the echo-sounding apparatus, now in general use in ships.
這樣就產生了目前各種船舶上普遍應用的回聲探測儀。