The Marine Department clears floating refuse and oil from the harbour and enforces the law on oil pollution.
海事处则负责清除海港内的飘浮垃圾及油污，并执行与油污有关的法例。
Researchers already know that buckyballs refuse to dissolve in water, sometimes even floating like miniature beach balls.
研究人员得出足球烯不溶于水，有时甚至会像水皮球一样浮在水面。
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