Cannulae
套管, 插管
🗣️ 情景例句
She's really a good friend, isn't she?
她真是我的好朋友，不是吗？
I am very happy that you have come all the way from the United States to visit our company.
您不远千里从美国来我公司访问，我们感到非常高兴。
for he brought science to the game.
是他把科学引进了这项运动。