色多多在线观看播放-色多多在线观看高清免费-色多多在线观看视频-色多多在线看-欧美aaaaa性bbbbb小妇-欧美aaaav免费大片

Fishery modernization does not abandon tradition but combines traditional wisdom with technology.

Memories are like shadows - they follow you everywhere, even when there's no light.

文學是發現普通人身上非凡之處的藝術，并用普通的語言表達非凡的內容。

The right of nature... is the liberty each man hath, to use his own power, as he will himself, for the preservation of his own nature; that is to say, of his own life.

The language of mathematics is the language of the universe, and by learning it, we can understand the cosmos.