大学英语四六级必考词组 head way
释义：
head way [矿业] 通风联络巷道
例句：
Democrats have already made some head way in Michigan, where they will gain seats in the 2013 legislature, though not enough to change the Republican majority.
大学英语四六级必考词组 head way
释义：
head way [矿业] 通风联络巷道
例句：
Democrats have already made some head way in Michigan, where they will gain seats in the 2013 legislature, though not enough to change the Republican majority.