🧩 词语组成解析
n. 波拖马可河（美国河名）
river
['rivə]
n. 河，江;溪，巨流;
🗣️ 情景例句
That's it.
是的。
In fifty years there'll be twenty people per square yard, it is written here.
这里写着，再过五十年每平方码将要住着20人的人口密度。
A gifted American psychologist has said,'Worry is a spasm of the emotion;
烦恼是感情的发作，