本期内容：

Tesla co-founder and CEO Elon Musk showed off his company's all-electric "Cybertruck" on Thursday, touting its versatility and toughness.
But the truck's unique design — it follows one angle from the front bumper to the top of the windshield, for instance — threw some Tesla fans for a loop.
And during a demonstration to show off the truck's "armor glass," the windows smashed.

co-founder: 联合创始人
• co-operation: 联合，合作
• co-work: 同事
show off: 卖弄，展现
• Stop showing off. Your skills I know them very well.
别炫技了， 我对那套非常熟悉。
tout vt. 兜售
• tout a product: 兜售产品
• tout tickets: 卖黄牛票，高价卖票
versatility n. 多用途，多功能性
• versatile adj. 有多种功能的；多用途的
toughness n. 坚固耐用
bumper n. 保险杠
• the front 后保险杠
windshield n. 挡风玻璃
throw sb. for a loop: 使某人惊讶（surprise sb.）
demonstration n. 展示
armor glass: 防弹玻璃
smash vi. 打碎

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