Streambed
n. 河床
✅ 同义词
🗣️ 情景例句
Uh-huh.
好 ，好。
A wonder lasts but nine days.
新鲜事儿不久长。
During the summer, I noticed tat the leaves of the tree were beginning to wither.
到了夏天，我发现树叶开始枯萎，