主要是的英文：
primarily
- Soccer is primarily a winter game.
英式足球主要是冬季运动。 - Thermal electricity (mainly coal –fired electricity)
火电(主要是煤电) - Arc-shaped Mountain Ranges, including the Himalayas and Tainwan Mountains.
弧形山脉:主要是喜马拉雅山、台湾山地等。 - Turbidity is predominantly made by colloids
浊度主要是由胶体物质造成的。 - ersatz coffee made mostly of chicory.
主要是用菊苣做成的代用咖啡 - This set of encyclopedia is mainly intended for primary and middle school students.
这套百科全书的读者对象主要是中小学生。 - The colour of these objects was chiefly pale or sombre.
这些东西的色彩主要是黯淡,或者说灰暗。 - The objection to the placer origin have centred around the softness of uranium compounds
反对砂矿成因的论据主要是:铀的化合物不耐磨蚀。 - From this we know that mayan cities were used mainly by the nobles
从这我们知道玛雅人的城市主要是由贵族居住的。 - The alveolar macrophage is derived largely from the bone marrow
肺泡巨噬细胞主要是从骨髓中分化出来的。
adv. 首先；起初，原来；首要地，主要地；根本上
- It is caused primarily by allergy or respiratory infection.
若从病因论，哮喘可分为过敏反应性、炎症性和神经性。 - These books are primarily designed for the use of beginners.
这些书主要是供初学的人使用的。 - urbanized industry was limited primarily to the Northeast
城市工业主要局限于东北部。 - He is primarily liable for his debt.
他对债务负主要责任。 - Petroleum or oil photogeology is primarily an evaluation of bedrock conditions.
石油或石油摄影地质主要是研究基岩情况的。