🧩 词语组成解析
sheep
[ʃip]
n. 羊，绵羊;胆小鬼;易受人摆布的人;缺乏主见或轻易盲从的人;
🗣️ 情景例句
That isn't necessary.
这倒不必。
To heat
热一热
It is thought that they arrived more than 30,000 years ago by crossing a land bridge from Asia to America.
他们被认为是在3万多年以前从亚洲跨越一座陆桥来到美洲的。