Birchbark
桦皮舟
🗣️ 情景例句
I can't figure him out-he's a mystery!
我不能理解他，他真是个迷。
What time did you get to work yesterday morning?
你昨天早上什么时间上班？
Yes. B-double O-K, book.
好的。B-双写O-K，book（书）。