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

In quantum mechanics, we have to abandon the idea that particles have definite properties before measurement.

The only way to achieve the impossible is to believe it is possible.

人は、自分が選んだ道に責任を持つべきだ。