本期内容：

Huawei has announced it is developing a new operating system called HarmonyOS. There had been speculation that Huawei was planning to replace the Android operating system which powers its smartphones and tablets. In May, Google suspended the company's Android licence after the US government put Huawei on a trade blacklist.

announce vt. 宣布，宣告（reveal, declare）
speculation n. 推测，猜测（guess）；投机
power vt. 给……充电
· power off: 关机
suspend vt. 暂停，中止
acklist n. 黑名单
· on the acklist: 列入黑名单
· list-: 词根
shortlist: n. 候选名单 vt. 把……列入入围名单
· on the shortlist: 列入候选人名单
· He's been shortlisted for the position.
他已被列入该职位的候选人名单。

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