n. 警卫;狱吏,看守;护卫队;防护装置;
vt. 保卫,守护;看守;加防护装置;谨慎使用;
vi. 警惕;警卫;
🗣️ 情景例句
Success amply rewarded his efforts.
成功使他的努力得到应有的回报。
We've only sold our product at trade fairs, not in an on-going sales campaign.
我们的产品只在商展时展售,而没有办促销活动。
The price we pay for cheap food may be already too high: Mad Cow Disease (BSE) in cattle, salmonella in chicken and eggs, and wisteria in dairy products.