The gas engine is the most perfect of all heat engines, because it combines the advantages of the steam engine with those of the internal combustion engine.
燃?xì)獍l(fā)動機(jī)是所有熱機(jī)中最完美的，因為它結(jié)合了蒸汽機(jī)和內(nèi)燃機(jī)的優(yōu)點。
"Reading is a form of prayer, a guided meditation that briefly makes us believe we're someone else."
The future of drones lies in cross-border integration.
It looks like a solitary sport, but it takes a team.