困惑: bewildered, perplexed, confused, difficult problem, perplexity...
关机: to turn off (a machine or device), to finish shooting a film...
高涨: to surge up, to rise, (of tensions etc) to run high...
事迹: deed, past achievement, important event of the past...
模型: model, mold, matrix, pattern...
收缩: to pull back, to shrink, to contract, (physiology) systole...
发布会: news conference, briefing...
它: it...
用: to use, to employ, to have to, to eat or drink, expense or outlay, usefulness, hence, therefore...
能量: energy, capabilities...