动词短语
中文翻译：向下浮动
同义词：
['float', 'sink', 'descend', 'float down']
例句：
-
1.The boat was floating downward in the calm sea.
在平静的海面上，船正缓缓下沉。
-
2. The ice is slowly floating downward from the top of the glacier.
冰正在从冰川顶部缓缓下沉。
-
3.The ship drifted downward into the depths of the ocean.
这艘船缓缓沉入海底。