Precentral sulci
[医] 中央前沟
🧩 词语组成解析
[医] 中央前的, 中枢前的
[医] 沟
🗣️ 情景例句
You're right, Harry.
你说的对， Harry。
People are always changing, aren't they?
人总是在变，不是吗？
If we remain inveterate smokers, it is only because we have so often experienced the frustration that results from failure.
如果我们烟瘾大，戒不掉，那是因为屡戒屡败，失去信心。