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perceptibly + verb
perceptibly 常放在谓语动词前，表示变化虽小却能被察觉。
He perceptibly tensed when her name was mentioned.
听到她的名字时，他明显紧张起来。
可感知地；明显地
先理解核心含义，再看它在真实句子里的用法。
可感知地；明显地
in a noticeable manner
He perceptibly tensed when her name was mentioned.
听到她的名字时，他明显紧张起来。
可察觉地；显著地
In a perceptible manner; noticeably.
The room became perceptibly darker as the storm clouds rolled in.
随着暴风云滚滚而来，房间明显暗了下来。
His confidence perceptibly grew with each successful presentation.
随着每一次成功的展示，他的信心明显地增强了。
The crowd's excitement increased perceptibly as the band walked on stage.
乐队走上舞台时，人群的兴奋情绪明显高涨起来。
perceptibly 常放在谓语动词前，表示变化虽小却能被察觉。
He perceptibly tensed when her name was mentioned.
听到她的名字时，他明显紧张起来。
在口语和书面语中，perceptibly 也可放在动词后，句意不变。
The crowd's excitement mounted perceptibly as the band took the stage.
乐队登台时，人群的兴奋明显高涨。
perceptibly 修饰形容词比较级时，起加强语气的作用，意为“明显更加…”。
The noise was perceptibly louder on the top floor.
顶楼的噪音明显更响。
Not this
The temperature dropped perceptible.
Use this
The temperature dropped perceptibly.
修饰动词 dropped 要用副词，perceptible 是形容词，不能修饰动词；改为副词 perceptibly 才能表达“明显地下降”。
Not this
She analyzed the data perceptibly.
Use this
She analyzed the data perceptively.
perceptibly 意为“可察觉地/明显地”，perceptively 意为“敏锐地”；句中表示“敏锐地分析数据”，应用 perceptively。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
明显不同的
The two versions of the software are perceptibly different in speed.
这两个软件版本在速度上明显不同。
明显更好的
After the treatment, her condition was perceptibly better.
经过治疗后，她的病情明显好转。
显著改善的
His English has perceptibly improved since he started daily practice.
自从开始每天练习以来，他的英语显著进步了。
明显更慢的
The old computer becomes perceptibly slower when running multiple programs.
这台旧电脑在运行多个程序时明显变慢。
明显改变的
The town has perceptibly changed over the past decade.
在过去十年里，这个小镇发生了明显的变化。
Use perceptibly naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
把 percept 联想成‘感知’，-ibly 表‘...地’：能被别人感知到的变化，就是‘可感知地、明显地’。
语域：formal 常见场景：formal writing、academic prose、literary narrative perceptibly 通常多用于正式或书面语境，如学术文章或文学叙述；日常口语中较少单独使用，口语中更常说 noticeably。
意为“可感知地；明显地”，作方式副词，强调变化或差异能被察觉。
Dictionary facts from ECDICT, WIKTIONARY.