Botswana
n. 博茨瓦纳（非洲中南部国家）
🗣️ 情景例句
It's about the size of the United States, but it has a population of only 16.5 million.
它和美国一般大，但人口却只有一千六百五十万。
Who is going to win?
谁会赢？
This will relieve pressure on the trains to some extent.
这将在某种程度上减轻对火车的压力。