vt. 需要;必须;
aux. 必须;不得不;
n. 需要;需要的东西;责任;贫穷;
vi. (表示应该或不得不做)有必要;
🗣️ 情景例句
Like father, like son.
有其父必有其子。
She made a notable contribution to science.
她对科学做出了杰出的贡献。
Professor Karl von Frisch, an Austrian scientist, spent many years of his life researching the amazing ways honey bees communicate in their dark hives.