提炼: to extract (ore, minerals etc), to refine, to purify, to process...
平行: parallel, of equal rank, simultaneous...
图书馆: library...
海报: poster, playbill, notice...
拆除: to tear down, to demolish, to dismantle, to remove...
哨: a whistle, sentry...
恭喜: congratulations, greetings...
跳: to jump, to hop, to skip over, to bounce, to palpitate...
反响: repercussions, reaction, echo...
当时: at once, right away...
