annual

每年的；年度的

【例】We promise to pay interest for the loan at the annual rate of eight percent.

我们同意这笔贷款按年利率8%支付利息。

annually

每年

【例】First of all we should like to know the approximate quantity of bicycles you may sell annually in your district.

首先我们想知道你方在你地每年能销售自行车的数量。

annum

年

拉丁词=year，常用于“per annum”中。