优异: exceptional, outstandingly good...
进化: evolution...
采用: to adopt, to employ, to use...
酷似: to strikingly resemble...
周旋: to mix with others, to socialize, to deal with, to contend...
背: carry on one's back, to be burdened, to carry on the back or shoulder, learn by heart, the back of the body...
吐: to spit, to put, to say...