Central canal
[医] 中央管
🧩 词语组成解析
🗣️ 情景例句
Well, at least you're acting like you feel better.
不过， 至少你表现得好像你感觉好多了。
Progress is the activity of today and the assurance of tomorrow.
进展即今日的活动和明日的保证。
they aroused great interest at the time, they had important theoretical consequences,
这些观察在当时引起了人们极大的兴趣，具有重要的理论意义，