🧩 词语组成解析
united
[[ju:'naitid]]
a. 联合的, 团结的, 一致的, 和睦的\\n[法] 联合的, 统一的, 一致的
n. 美国
investigation
[ɪn,vɛstɪ'ɡeʃən]
n. (正式的)调查,研究;侦查;科学研究;学术研究;
🗣️ 情景例句
He's not faithful to his wife.
他对他的妻子不忠。
I'm sorry. I can't make it on Tuesday.
对不起,星期二我无法参加。
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。