关上: to close (a door), to turn off (light, electrical equipment etc)...
沉: to submerge, to immerse, to sink, to keep down, to lower, to drop, deep, profound, heavy...
打: dozen, beat, strike, break, mix up, build, fight, fetch, make, tie up, issue, shoot, calculate, since, from...
拱: to cup one's hands in salute, to surround, to arch, to dig earth with the snout, arched...
对比: to contrast, contrast, ratio...
山峰: (mountain) peak...
救援: to save, to support, to help, to assist...
嗯: OK, yes...
肌肉: muscle, flesh...
着力: to put effort into sth, to try really hard...
