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
I think you are getting off the subject. Could we get back to the main point, please?
我觉得你跑题了。 我们能不能回到主题上来？
When are you off?
你什么时候动身？
Soon afterwards, the balloon began to descend and it landed near an airfield.
不久，气球开始降落，在一个停机坪附近着了陆。