单词释义：

英语单词：cannula中文含义：导管，管状物词性：noun美式音标：[ˈkænjələ]同义词：tube, catheter, needle易混淆单词：canola, cannoli

双语例句：

1. The cannula is inserted just under the skin and connects to a pump that delivers a constant flow of insulin.
导管插入皮肤下方并连接泵，该泵提供持续的胰岛素流。2. The machine can automatically calibrate and change the cannula’s position as needed to ensure delivery of the correct amount of insulin.
该机器可以自动校准和更改导管的位置，以确保输送正确的胰岛素剂量。