第一部分：本周新闻回顾 （0:08")

• Investors face reckoning as stock market has worst week since beginning of pandemic. In an orderly but persistent plunge, nearly all sectors of the stock market sold off.
• Telephone links between Tonga and the wider world began to be reconnected on Wednesday, though restoring full internet connectivity is likely to take a month or more according to the owner of the archipelago's sole subsea communications cable.
• Three studies released Friday offered more evidence that COVID-19 vaccines are standing up to the omicron variant, at least among people who received booster shots. They are the first large U.S. studies to look at vaccine protection against omicron, health officials said.

第二部分：本周词汇 （1:50")

Monday

• Venture: 冒险，这里是指尝试性的投资.
• From X through Y to Z: 从X到Y再到Z.
• Weigh: 原意是指称重，但这里引申为衡量和仔细考量.
• Subsidy: 政府资助.
• 11th-hour: 最后关头.

Tuesday

• Shine: 光芒的意思，这里引申为荣耀.
• Swarm: 一大群，密集度高的一群.
• Prompt: 导致某种行动.
• Kick off: 开始；原意是开球，但现在多用于指开始.
• Rattle: 造成担忧，被困扰.

Wednesday

• Broadcaster: 指电台或电视台.
• Plant-based: 以植物为基础的.
• Powerhouse: 非常有影响力的人或事.
• Debut: 首次在公众面前出现.
• Saga: 更多的指传奇，但这里指一系列的意外或没想到的事件.

Thursday

• Spike: 冒尖，快速上升.
• Diverse: 多样性的.
• Stretch: 时间和形势的一种延伸.
• Rollout: 新事物的推出.
• Hitch: 原意是打结，但这里是指暂时性的阻碍或者困难.