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constant + noun
She was under constant pressure to perform.
她一直承受着持续的压力。
不变的；恒定的
先理解核心含义，再看它在真实句子里的用法。
不变的；恒定的
Unchanging in nature or through time; permanent.
She was under constant pressure to perform.
她一直承受着持续的压力。
在时间或空间中不变的；永恒的
Unchanged through time or space; permanent.
随时间持续反复出现的；持久的
Consistently recurring over time; persistent.
在目的、行动、情感等方面稳定的
Steady in purpose, action, feeling, etc.
恒定不变的
unvarying in nature
The temperature in the lab is kept at a constant 25 degrees Celsius.
实验室的温度保持在恒定的25摄氏度。
AI contextual example
She received constant support from her family during her studies.
她在学习期间得到了家人持续不断的支持。
AI contextual example
The machine requires constant maintenance to operate efficiently.
这台机器需要持续的维护才能高效运行。
AI contextual example
maintained a constant temperature
保持恒温。
WordNet
She was under constant pressure to perform.
她一直承受着持续的压力。
The temperature in the room is constant.
房间温度是恒定的。
The speed of light remains constant.
光速保持不变。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
持续的关注
The project requires constant attention.
这个项目需要持续的关注。
不断的提醒
This scar is a constant reminder of the accident.
这个伤疤是那场事故的不断提醒。
持续的来源
The sun is a constant source of energy.
太阳是持续的能量来源。
忠实的伙伴
Dogs are known as man's constant companion.
狗被认为是人类忠实的伙伴。
持续的压力
She works under constant pressure.
她在持续的压力下工作。
不断的变化
The only constant in life is change.
生活中唯一不变的就是变化。
忠实的伴侣；常伴之物
Anxiety has been a constant companion throughout his life.
焦虑一直是他生活中忠实的伴侣。
不断的提醒
The scar on his hand is a constant reminder of the accident.
他手上的伤疤不断提醒他那场事故。
源源不断的来源（常与'of'连用）
Her grandchildren are a constant source of joy.
她的孙子孙女是她快乐的不竭源泉。
生活中唯一不变的就是变化。
The only constant in life is change.
生活中唯一不变的就是变化。
保持警惕！
Mad-Eye Moody always said, 'Constant vigilance!'
疯眼汉穆迪总是说：'保持警惕！'
Use constant naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
constant 谐音‘康斯坦’，联想为一直保持不变。
表示“持续不断”的义项，语域混合，多用于描述时间或数量上的不变状态，常见于科学、日常等场景。
These words share the spelling ending '-ant' but have different vowel sounds in the stressed syllable. None are genuine rhymes with 'constant' (e.g., 'instant' and 'distant' have /ɪ/ instead of /ɒ/).
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.