Onion bodies
[医] 上皮珠(见于乳头状瘤及上皮癌)
🧩 词语组成解析
onion
['ʌnjən]
n. 洋葱（头）;
n. （文章、文件等的）正文；（人或动物的）身体；主体部分（body的复数）
🗣️ 情景例句
It hurts, doesn't it?
会痛 ，是不是？
It's all your fault!
都是你害的！
and we have to lower into the ground and haul out of the ground great lengths of drill pipe which are rotated by an engine at the top and are fitted with a cutting bit at the bottom.
我们必须把很长的钻杆一节节地钻入地下，然后再从地下拉出来。钻杆顶部安装的发动机带动钻杆旋转，它的底部装有钻头。