物质: matter; substance; material 短语和例子可裂变物质 fissionable material; nuclear materials; 物质以三种形态存在: 固态、 液态和气态。 matter exists in three states: solid, liquid and gas.; 物质不灭定律 the law of conservation
海洋: seas and oceans; ocean; [诗歌用语] blue◇海洋霸权 maritime hegemony; 海洋保护区 marine preserve; 海洋捕捞 marine fishing; 海洋测量 marine surveying; 海洋大地测量 marine geodetic surveying; 海洋大气影响 marine atmospheric e