放大: to enlarge, to magnify...
马桶: chamber pot, wooden pan used as toilet, toilet bowl...
意愿: aspiration, wish (for), desire...
结合: to combine, to link, to integrate, binding...
中旬: middle third of a month...
留学: to study abroad...
研讨: discussion...
精打细算: meticulous planning and careful accounting (idiom)...
保险: insurance, to insure, safe, secure, be sure, be bound to...
往: go; head/leave for...
