英语 ⇄ 中文 俄语 英语 +

英语 词库
condition of class 强调
航海	Conditions of Class mean requirements to the effect that specific measures, repairs, surveys etc. are to be carried out within a specific time limit in order to retain Classification (google.com PX_Ranger)

conditions of class : 2 短语, 2 学科

保险	1
马卡罗夫	1