Sirenea
[醫(yī)] 海牛目
??? 情景例句
A man can develop his mind by reading.
讀書增進(jìn)個人的智慧。
The new play was good and everybody enjoyed it.
新戲很好看并且所有人喜歡它。
In this way, we have learned all that we know of the laws of astronomy,
例如，用這種方法，我們完全掌握了天文學(xué)的規(guī)律。