简单: simple, not complicated...
最: most, the most, -est (superlative suffix)...
没错: that's right, sure!, rest assured!, that's good, can't go wrong...
反过来: conversely, in reverse order, in an opposite direction...
认识: to know, to recognize, to be familiar with, to get acquainted with sb, knowledge, understanding, awareness, cognition...
奇怪: strange, odd, to marvel, to be baffled...
盛开: blooming, in full flower...
有效期: period of validity, sell-by date...
赛车: auto race, cycle race, race car...
坡: slope, sloping, slanted...
