英国航空公司还要求其茶叶供应商川宁（Twinings）研发一种更适合高空饮用的混合型茶叶。
The airline challenged Twinings, its tea supplier, to develop a blend that would work better at altitude.
英国航空公司还要求其茶叶供应商川宁（Twinings）研发一种更适合高空饮用的混合型茶叶。
The airline challenged Twinings, its tea supplier, to develop a blend that would work better at altitude.
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