1.
The World Chambers Con-gress, also biennial, provides a global forum for chambers of commerce.
两年一次的国际商会大会为商会提供全球论坛。
2.
There are harvests once, twice and even three times a year, depending on the climate.
随着气候的不同，可以一年收一次，两次甚至三次。
3.
One third of the senators are elected every two years.
三分之一的叁议员每两年改选一次。
4.
On average, a powerful earthquake occurs less than once every two years.
通常，强烈的地震每两年发生不到一次。
5.
Is the four-year academic life worthwhile?
”在过去的两年中我不止一次地问自己。
6.
Rich Kelly: Kelly, a two-time Jazz man first came to the Jazz in 1975.
两度加盟爵士的球员，第一次是在1975年。
7.
The Review and Consideration about 1972 and 1975 Reestablishment;
一九七二年与一九七五年两次整顿的历史意义
8.
It will last about two years before the rubber pipes need to be replaced.
橡胶管可以两年换一次。
9.
Do you go to the dentist's twice a year?
你一年去看两次牙医吗？
10.
Potatoes sprout twice a year.
马铃薯一年发两次芽。
11.
He gets home leave every two years.
他每两年有一次探亲假.
12.
This check-up should be done not just once, but two or three times, a year.
整社不是一年整一次，而是一年整两次至三次。
13.
Elderly people who are in good health have as few as one or two colds annually.
健康的老年人每年只感冒一至两次或更少。
14.
bimestrial:Occurring every two months; bimonthly.
一月两次的:每两个月发生一次的;一月两次的。
15.
Occurring every two months;bimonthly.
一月两次的每两个月发生一次的；一月两次的
16.
I used to take a bath twice a day last year, morning and night.
去年我一天洗两次澡, 早晚各一次。
17.
In country districts, remote from towns or large villages, the industry of the pedlar is not yet wholly superseded.
每月来一次的货郎，比一年举行一两次的集市更受欢迎。
18.
Wednesday's event will be the last total lunar eclipse until Dec. 20, 2010. Last year there were two.
周三晚上的这次月食是2010年12月20号之前最后一次月全食。而去年一年就发生了两次。