Keen's sign
[医] 基恩氏征(腓骨波特氏骨折的一种体征)
🧩 词语组成解析
🗣️ 情景例句
This has been a hard course for me.
这门课对于我来说很难。
She refuses to make up her mind.
她拒绝下决心。
There may be some dangerous animals on this island.
“这岛上可能有些危险动物。”