I must play my spare time well, or I end up doing nothing.
我必须善于利用空闲的时间,否则生命将会在无所事事中告终。
Professor Karl von Frisch, an Austrian scientist, spent many years of his life researching the amazing ways honey bees communicate in their dark hives.
卡尔·冯·弗里施教授,一位澳大利亚科学家,一生中花了许多年的时间来研究蜜蜂在暗巢里互传信息的有趣方法。