1. The geologist explained that the fault line was caused by a downthrow of the earth's crust.
地质学家解释说，断层是由地壳的下沉引起的。

2. The downthrow of the stock market caused panic among investors.
股市的下跌引起了投资者的恐慌。

3. The downthrow of the government led to widespread protests.
政府的倒台引发了大规模抗议。

4. The downthrow of the dictator brought about a new era of freedom for the country.
独裁者的倒台为这个国家带来了新的自由时代。

5. The downthrow of the rival team in the final match secured our victory.
在决赛中对手的失败确保了我们的胜利。

6. The downthrow of the old regime paved the way for democratic reforms.
旧政权的倒台为民主改革铺平了道路。