a periodical that is published twice each month (or 24 issues per year)
Adjective
occurring twice a month;
"a semimonthly publication"
Adverb
twice a month;
"salaries are paid semimonthly"
例句
Happening twice a month; semimonthly. 一个月发生两次的；半个月一次的
Employees paid on a semimonthly basis receive two salary checks per month. 职工们基于半月一次的发薪制度，每月两次收到支票。
MAO Dun launched the semimonthly Literary Position in 1938, and edited from the first 18 issues. 摘要茅盾于1938年4月16日创办了半月刊《文艺阵地》并主编了前18期。
In the publishing of semimonthly sci-tech periodicals, there exists a speed problem of manuscript review. 科技期刊半月刊存在审稿速度问题。
Temporal changes in the salinity of the Changjiang Estuary have daily,semimonthly,seasonal and yearly variations. 长江口南支、南港、北港盐水来源主要有北支倒灌和外海盐水直接入侵两种形式，盐水入侵具有周日、半月、季节和年际变化规律，由于北支倒灌咸水团的影响，低盐度值往往出现在大潮期和涨憩附近。
Niu Wenwen: It is monthly magazine, at least is in 2008 year are monthly magazine, semimonthly can change when maturing gradually. 牛文文： 是月刊，起码在2008年度是月刊，在逐渐成熟的时候会改成半月刊。
