单词	to carry on business
释义	英華字典資料庫同義詞☞bach
随便看	elementary divisor elementary divisor ideal elementary education elementary educational branch elementary education branch elementary [electric] charge elementary electric charge elementary error elementary event elementary exanthem elementary exanthem--primary exanthem elementary excitation elementary field elementary filaments elementary file elementary flight elementary flight maneuver elementary flight--maneuver elementary frequency elementary function elementary geometry elementary group elementary homomorphism elementary individual control elementary instruction