Assurances
n. 保证( assurance的复数形式 ); 担保; 把握; (人寿)保险
🗣️ 情景例句
The company has shown exceptional growth over the past two years.
过去两年中这家公司获得了很大的发展。
Get your money's worth.
经济实惠。
and a period (which is the time it takes a wave crest to travel one wave length).
和周期(浪峰走过一个波长所需的时间)。
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