Constant duty
[化] 不变工况
🧩 词语组成解析
🗣️ 情景例句
You've got the wedding-day jitters!
已经得了婚礼紧张症了！
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。
Those planning a trip to remote areas, or intending to live in countries where drinking water is not readily available, should know about the various possible methods for making water safe.
那些计划去偏远地区旅行，或在饮用水不现成的国家居住的人，应该知道如何使水适于饮用的各种办法。