认真严肃

1.
seriousness
雅思单词=例句+词源+记忆法... ... lip 嘴唇):总是对小姑娘飞吻-鲁莽的,轻率的【类】 seriousness 认真严肃); sobriety 清醒;严肃…
forum.iask.ca|Based on 14 pages

Sample Sentence

Definition:
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard