充电charge; update/enrich/renew one's knowledge
前方the place ahead; battlefront
升级upgrade; go up one or more grades
台阶staircase; opportunity to extricate somebody from embarrassment or predicament: way out
咨official communication; consult
实用practical use or application; practical
家用household expenses; household
布cloth; a copper coin in ancient times
布局overall arrangement; composition
志愿ideal; do something of one's own free will
普及be universalized in; popularize
照样after a pattern or model; in the same old way
电量quantity of electricity/electric charge
研发research and develop; research and development
肆无忌惮act recklessly and care for nobody
股份share; unit of capital fund put into a consumers' cooperative
自动of one's own accord; autogenous
距distance; be at a distance from
距离be at a distance from; distance or space between
转向lose one's bearings; change course
过时pass the fixed/appointed time; out-of-date
龙门Longmen county in Huizhou, Guangdong;mythical dragon gate where a carp can transform into a dragon