The laurels and the myrtles that he addresses here are, of course, the traditional plants classically associated with great poets; but for Milton in this passage, importantly these plants simply aren't ripe yet.

诗中提到的月桂树和常青藤，传统上常常与伟大诗人相联系;,但在弥尔顿的这首诗，重要的是这些植物尚未成熟。

耶鲁公开课 - 弥尔顿课程节选