In the sense filed here, prescribed means laid down in advance by a rule. A form must be filled in the prescribed way. You must apply within the prescribed time. Laws, exams, and offices like this word: it means the official way, not any way you like.

In the sense filed here在這裡收錄的這個意思裡, prescribedprescribed means laid down in advance by a rule指的是事先由規定訂下來的。 A form一份表格 must be filled in the prescribed way必須用規定的方式填寫。 You你 must apply within the prescribed time必須在規定的時間內申請。 Laws, exams, and offices法律、考試、機關 like this word都喜歡用這個詞: it它 means the official way, not any way you like意思是官方規定的方式，不是你想怎樣就怎樣。

It is the -ed form of prescribe, so it can also be a simple past (“The law prescribed a fine”).

It它 is the -ed form of prescribe是 prescribe 的 -ed 形式, so it所以它 can also be a simple past也可以當簡單過去式 ("The law prescribed a fine"像「The law prescribed a fine」)。

Though actually, the meaning students meet first is medical: a prescribed medicine is one a doctor has written for you. Same family of ideas — someone in authority has set it down — but the doctor’s sense is the common one, and the “by a rule” sense lives in formal and legal English. If you only learn the medical sense, a sentence like “the prescribed procedure” will feel odd, as if a doctor had ordered a form.

Though actually不過實際上, the meaning students meet first is medical學生最先接觸到的意思是醫療上的: a prescribed medicine一種 prescribed medicine is one a doctor has written for you就是醫生開給你的藥。 Same family of ideas同樣的概念家族 — someone in authority has set it down都是有權力的人訂下來的 — but the doctor's sense is the common one但醫生開藥這個意思才是常見的, and the "by a rule" sense lives in formal and legal English「照規定」這個意思則活在正式和法律英文裡。 If you only learn the medical sense如果你只學到醫療上的意思, a sentence like "the prescribed procedure"像「the prescribed procedure」這種句子 will feel odd會覺得怪怪的, as if a doctor had ordered a form好像醫生開了一份表格一樣。

There is also specialist talk such as prescribed burning (a planned fire on the land), which is a further stretch.

There is也有 also specialist talk such as prescribed burning像 prescribed burning 這種專業說法 (a planned fire on the land指有計畫地在土地上放火), which is a further stretch這又是更進一步的延伸用法。