?线气圈
... thread 线 thread balloon 线气圈 thread break stop motion 断线自停装置 ...
The next step was to thread a tiny surgical balloon and a thin stainless-steel stent into the artery to forcibly widen the passage.
CNN: Just How Bad Was It?
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。