permit
单词辨析：
指允许某人做某事，常后接不带 to 的动词不定式作宾补，语义最弱；也指任由或有意地促使某事发生。通常不用被动语态。
Some people seem to let their kids do whatever they like.
一些人似乎允许自己的孩子随心所欲。
She lets her children play in the garden.
她让孩子们在花园里玩耍。
He let the ball fall to the ground.
他任由球掉落在地上。
指允许某事发生或某人做某事，可后接双宾语，语义较弱。
My father does not allow me to smoke.
我父亲不许我抽烟。
He was allowed to enter the room.
他被允许进入房间。
She is allowed one item of hand luggage.
允许她携带一件手提行李。
尤指根据正式决定、规章或法律允许某事发生或某人做某事，可后接双宾语，语义最强。
They didn't permit me to speak a word.
他们不准我讲一句话。
The task doesn't permit any delay.
这项任务不允许有任何耽搁。
Who permitted their leaving early?
是谁允许他们提早离开的?
The doorman permitted them entry to the film.
门卫允许他们进去观看电影。
相关例句：
This would permit air to enter, breaking the hermetic seal of the jar.
这会造成漏气，破坏罐子的密封性。
Employees are permitted to use the golf course during their free hours
准许雇员在业余时间使用高尔夫球场。
The guards permitted me to bring my camera and tape recorder
卫兵准许我带相机和录音机。
No entrance without a permit.
没有许可证不准入内。
He can let the court's decision stand and permit the execution
他有权维持法庭判决，批准死刑生效。
Their flow characteristics permit accurate and repeatable flow control.
截止阀的流体特性允许精确和重复的流体控制。