Birchen
a. 桦树的, 桦木制的\\n[机] 桦木的, 桦(树)的
✅ 同义词
🗣️ 情景例句
He tried to smile.
他设法要微笑。
Which one is more interesting?
哪一个是比较有趣的？
He suggested that a double railway-tunnel should be built.
他提议建一条双轨隧道，这样就解决了通风问题。