The author starts the poem conveying the beauty of nature and how it reminds him, at the same time, of the fleeting aspect of life. <u>In the second stanza, he develops a sort of calculation of his own mortality and how close he is to the end</u>. There's a strong irony here in how nature's grace and splendor serves to remind him of death. <u>In the third and final stanza, he concludes that he should carry on living with intensity every moment as an antidote for life's brevity.</u>
The person above is correct - the suffix that means "resembling" is B. -oid. For example: cuboid - resembling a cube, planetoid - resembling a planet, etc.
