Solitons
(soliton 的復數) 孤立子, 孤波
??? 情景例句
about our children's education.
對于我們孩子的教育。
It's a small world.
這世界真小。
There is space for summer picnics, open-air concerts, plays and games.
這兒有空曠的地方，供作夏日野餐、露天音樂會、各種娛樂和競賽之用。