Prohibit

To prohibit means to prevent from doing something.
Myanmar prohibited the permanent transport of fossil material out of the country in 2015.
They are also prohibited from working more than three hours on school days, more than eight hours on non-school days, and more than 18 hours per week.
Federal laws generally prohibit the sale, transfer and possession of machine guns manufactured after 1986 — with the exception of those sold to law enforcement agencies for official use.
While he thought the Constitution was crystal clear that Congress could not restrict or terminate the slave trade before 1808, it did not prohibit the members of the House from talking about the issue.

Prohibit这个单词为动词，其表示“to prevent from doing something”这一含义，即“禁止/阻止”, 与ban/forbid这些单词构成近义词。
一般使用prohibit doing sth/prohibit sb from doing sth（禁止做某事/禁止某人做某事）这一结构。
具体使用场景如下：

The museum prohibits smoking and chewing gum.（博物馆内禁止吸烟及咀嚼口香糖。）
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Other state and federal laws prohibit an employer from barring an employee from discussing their compensation and from communicating with co-workers about improving their working conditions.（其他州和联邦法律禁止雇主禁止雇员讨论他们的薪酬以及与同事就改善工作条件进行沟通。）
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They urged the Court to prohibit the police from stopping motorists for the purpose of drug investigations unless the officers actually had reason to believe a motorist was committing, or had committed, a drug crime.（他们敦促法院禁止警察为毒品调查目的阻止驾驶者，除非警察确实有理由相信驾驶者正在或已经犯下毒品犯罪。）
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