🧩 词语组成解析
river
['rivə]
n. 河，江;溪，巨流;
red
[red]
adj. 红色的;（脸）涨红的;烧红的;红头发的;
n. 红色;红衣服;红颜料;红葡萄酒;
gum
[ɡʌm]
n. 口香糖;树胶;黏胶;牙龈;
vt.& vi. 胶合;涂以树胶;使…有粘性;
🗣️ 情景例句
Please keep off the grass.
请勿践踏草地。
You should wear a something warm, It's chilly today.
你应该穿暖和一些的衣服，因为今天很凉。
That's easier said than done!
说来容易做起来难哪！