1
It is permissible to do sth
常用形式，表示做某事被允许。
It is permissible to park here.
这里允许停车。
许可的；允许的
先理解核心含义，再看它在真实句子里的用法。
许可的；允许的
permitted
It is permissible to park here.
这里允许停车。
被允许的；许可的。
permitted.
It is not permissible to use your phone during the exam.
考试期间不允许使用手机。
The maximum permissible weight for this elevator is 1,000 kilograms.
这部电梯的最大允许载重量是1000公斤。
Is it permissible to park here on weekends?
周末可以在这里停车吗？
常用形式，表示做某事被允许。
It is permissible to park here.
这里允许停车。
用主语直接接系表结构。
Smoking is not permissible in this area.
这个区域禁止吸烟。
表示在某种规则或条件下允许。
Such deductions are permissible under the new tax law.
根据新税法，此类扣除是允许的。
Not this
The rules are very permissible.
Use this
The rules are very permissive.
“permissible”意为“可允许的”，而“permissive”意为“宽容的、放任的”。此处想表达规则宽松，应使用形容词“permissive”。
Not this
You need a permissible to enter.
Use this
You need permission to enter.
“permissible”是形容词，不能用作名词。表达“许可”的概念应使用名词“permission”。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
允许水平
The permissible level of radiation exposure has been set by the safety board.
安全委员会已经设定了辐射暴露的允许水平。
允许限度
The concentration of pollutants must be kept within permissible limits.
污染物浓度必须保持在允许限度内。
允许的行为
The school has strict rules on permissible behavior in the classroom.
学校对课堂上允许的行为有严格规定。
对…是允许的
Is it permissible for employees to use their personal phones at work?
员工在工作时允许使用个人手机吗？
在…下允许
Such actions are not permissible under international law.
根据国际法，这种行为是不允许的。
在…中允许
Smoking is not permissible in public buildings.
公共建筑内不允许吸烟。
Use permissible naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想“permit”（允许），-ible表示“可…的”，所以permissible就是“可允许的”。想象一个允许通行的绿色标志上写着PERMISSIBLE。
语域：formal 常见场景：法律、规则、行为规范 通常用于正式场合，多指在规则或法律上允许。
Words sharing the -ible spelling ending: only dismissible (same stress on second syllable with vowel /ɪ/) truly rhymes with permissible. Others (possible, visible, edible, credible, terrible) differ in stress and vowel, so they do not rhyme but are useful spelling lookalikes.
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.