本期内容：

Two of the technology industry's leading figures descended on Washington on Thursday as their companies face growing political pressure. The executives, Jeff Bezos of Amazon and Mark Zuckerberg of Facebook, showed up for different reasons, and in different places. Mr. Bezos led a morning event at the National Press Club, announcing a commitment by Amazon to be carbon neutral by 2040. Later, Mr. Zuckerberg met with President Trump and held discussions on Capitol Hill about election security, privacy and other issues.

technology industry: 科技行业
· industry n. 工业；行业
· industrious adj. 勤奋的，努力的
leading figure: 领军人物
· historical/political figures: 历史/政治人物
descend on: 到达；莅临（arrive at）
· descend v. 下降；降落
· ascend v. 上升，升高
growing adj. 日益增长的
growing pressure/challenge/burden: 日益增长的压力/挑战/负担
executive n.（公司或机构的）主管领导，管理人员
· CEO (chief executive officer): 首席执行官
show up: 出席
commitment n. 承诺
carbon neutral：碳平衡的（指碳排放量减低为零，或通过环保措施抵消排放）

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