n. 主要产品;钉书钉,U 形钉;主题,主要部份;主食;
vt. 用钉书钉钉住;
adj. 最基本的,最重要的;
🗣️ 情景例句
That's for sure.
说的也是。
My intentions were good.
我是好意。
Professor Karl von Frisch, an Austrian scientist, spent many years of his life researching the amazing ways honey bees communicate in their dark hives.