Cannulas
套管, 插管
🗣️ 情景例句
They mentioned you as a good source of information.
他们说你消息灵通。
Be just to all,but trust not all.
要对一切人都公正，但不要对一切人都信任。
The pilot managed to circle the balloon for some time.
飞行员设法绕着气球飞了一阵。