Botswana
n. 博茨瓦纳（非洲中南部国家）
🗣️ 情景例句
And that's dear little Max.
那是亲爱的小Max。
There is no fire without smoke.
无火没有烟。
Only the Earth provides ideal conditions, and even here it has taken more than four billion years for plant and animal life to evolve.
只有地球提供理想的条件，而即使在这里，植物和动物的进化也用了40亿年的时间。