?中级
...息署的资料显示,无论是常规的、添加氧化剂的还是以其它方式重整的汽油在美国都分为三个档次:普通(Regular)、中级(Midgrade)和高级 ..
中等长面鱼
中品位氟碳铈矿精矿
Similarly, Gas Buddy and Local Gas Prices can come in handy to help locate the cheapest gas prices in a given area for regular, midgrade, premium and diesel grades.
FORBES: Free iPhone Apps to Help Lower Your Car's Fuel Costs
midgrade:
mid- +? grade
英汉双解词典包含3185865条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。