雅思口语 与boner up相关的英语俚语
雅思口语 与boner up相关的英语俚语 English Slang collection: boner up [释] study hard; [例] I suggest you bone up on your typing skills before going to the job interview.; boneyard [释] a cemetery; a junkyard for motor vehicle; [例] Last night I saw some guy...