Circulus umbilicalis
[医] 脐动脉丛
🧩 词语组成解析
[医] 环, 圈
🗣️ 情景例句
I've been saving them for today.
我一直留着等今天才戴。
The bright light made Alex blink.
强烈的灯光使阿列克斯的眼睛晕眩。
hold the string so that the weight nearly touches the ground.
让重物几乎接触地面。