他从4月23日开始攀登尼泊尔的安那普尔那峰。他的目标是在7个月以内完成攀登。

He began on April 23, by climbing Annapurna in Nepal. His goal was to climb all of them in less than seven months.

youdao

然而，美国的专利申请数量已经开始从2007年顶峰时期的54,000巨幅下降。

However, the number of American applications has fallen substantially from a peak of 54, 000 in 2007.

youdao

然而，美国的专利申请数量已经开始从2007年顶峰时期的54,000巨幅下降。

However, the number of American applications has fallen substantially from a peak of 54,000 in 2007.

youdao