twice yearly的用法和樣例：
例句
- The writers, often parents or working people, exchange letters with their teachers regularly, and then come in to Bennington for a few days twice a year.
哪裡的作家一般都是身為父母或是已經工作的人，他們定期與他們的教師通信，而且一年兩次他們來到本寧頓呆一段日子。 - As part of the effort to strengthen consultation, the Chinese foreign minister and the British foreign secretary will meet twice a year to discuss issues of common concern.
作為加強磋商努力的一部分，中國外交部長和英國外交秘書將在共同關注的問題上舉行一年兩次的會晤進行討論。
