词汇	elmiric acid
释义	elmiric acid 🌏榆树酸
随便看	Difficult site difficult sites difficult situation difficult situation of employment Difficult Situations difficult sound difficult sounds difficult students difficult subject Difficult survival position difficult swallowing difficult task difficult technical issue difficult temperament difficult terrain event difficult terrain for cycling difficult test difficult thing difficult-ties difficult times Difficult times lie ahead Difficult times lie before us difficult to difficult-to-access difficult to access medical service