怀旧: to feel nostalgic, nostalgia...
三番五次: over and over again (idiom)...
焰火: fireworks...
如果: if, in case, in the event that...
逃走: to escape, to flee, to run away...
趁着: 这种玩具现在非常紧俏，趁着还有赶紧买吧。 zhè zhǒng wán jù xiàn zài fēi cháng jǐn qiào, chèn zhe hái yóu gán jín mǎi ba....
牙膏: toothpaste...
速度: speed, rate, velocity, (music) tempo...
班级: class (group of students), grade (in school)...
回收: to recycle, to reclaim, to retrieve, to recover, to recall (a defective product)...
