Acacctin
[机] 金合欢素
🗣️ 情景例句
What do you do for a living, Mr. Stewart?
你是做哪一行的 Stewart先生？
A strong grip was necessary to hold onto the large dog.
若要牵住大狗，必须用力握住皮带。
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。