🧩 词语组成解析
river
['rivə]
n. 河，江;溪，巨流;
🗣️ 情景例句
about your family background.
关于你的家庭背景的。
I'm afraid I don't know. Let me ask the supervisor in this section.
恐怕我不知道，让我来询问一下该组的负责人。
Half a pound of coffee.A quarter of pound of tea.And a tin of tobacco.
半磅咖啡、1/4 磅茶叶和一听烟丝。