Rcn
abbr. 英国皇家护理学院（Royal College of Nursing）；广域网（remote computer network）；加拿大皇家海军（Royal Canadian Navy）；右侧尾状核（right caudate nucleus）
🗣️ 情景例句
do I really have to
我是不是真的有必要
The child embarrassed me by asking unexpected questions.
那小孩问了些出乎意料的问题使我困窘。
Sure enough, a policeman arrived on the scene and politely asked the workmen to go away.
果然，警察来了，不礼貌地请工人离开此地；