Although the cartons are light and easy to handle, we think it is not strong enough to be shipped.
虽然这些纸箱轻便、易拿,但我们认为它们在运输中不太结实。
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。