Walther's canal
[医] 瓦尔特氏管(舌下腺小管)
🧩 词语组成解析
🗣️ 情景例句
I think I'll take the afternoon off.
我想下午休息。
Does John have a yellow pencil?
约翰有一支黄铅笔吗？
This is what the sculptor must do.
而雕塑家就必须做到这一点。