第1个回答 2006-07-03
review transport engineer chemistry balance
第2个回答 2006-07-03
review
transportation
croon
engineer
chemistry
balance
第3个回答 2006-07-03
go over
transportation
engineer
chemistry
第4个回答 2006-07-03
复习 to review (lessons); to revise
运输 transportation; portage; transit; carriage; conveyance; shipping
哼(歌曲)hum
工程师 engineer
化学 chemistry
平衡 balance