Anna : " the city that floats on water " 安娜: “在水上漂浮的城市。 ”
Oil will float on water 油总是浮在水面上。
Cork can float on water 软木能浮在水面。
If a substance has a higher density , say 5 , 000 kg / m3 , it will not float on water 假如一个物质密度更大,比方说每立方米5 , 000公斤,那它就不会浮在水面上。
This system can be floating on water surface , and navigating communicating in strong wind and wave through underwater transceiver system . 该系统可漂浮在水面中可在强风浪中定位通信,通过水下载体