🧩 词语组成解析
River 黑龙江(旧译Heilung River)
江\\n蒋\\n姜（中国姓氏）
🗣️ 情景例句
It's tough getting an O.K. from the boss.
很难从老板那听到声“同意”。
What is the total circulation of this newspaper.
这家报纸总发行量多少？
I'm afraid that he'll forget it if he misses so many lessons. He may even fail his Chinese exam.
如果他再缺这么多课，恐怕他会忘记很多的。他的汉语考试甚至会不及格。