The landscaping company recommended biennial flowers for the lobby garden outside our headquarters.

景觀公司建議我們總部大廳外的花園種植二年生花卉。

Our catalog lists each seed packet as annual, perennial, or biennial for customer convenience.

為方便顧客，我們的型錄將每包種子標示為一年生、多年生或二年生。

The hotel gardener explained that biennial plants bloom only in their second year.

飯店園丁解釋說，二年生植物只在第二年開花。