您要查找的是不是：
- tracheal sac 气囊,气管囊
- An organic sac or pouch, such as the udder of a cow. (牛的)乳房有机体器官的液囊或袋，如牛的乳房
- The peritoneal cavity is a closed sac. 腹膜腔是一个封闭的囊腔。
- A fluid-containing sac or cavity in the body of an organism. 池有机体体内一种贮存流体的液囊或穴
- Is the sac and Fox Indian tribe a wild one? 袋与狐部落是野蛮部落吗?
- Foreign bodies may lodge in the trachea. 异物可能留在气管里。
- A road or passage having no exit;a cul - de - sac. 绝境，死路没有出口的路或通道；绝境
- Lease-valves for trachea following link? 租赁的供气管不含阀以下的连接?
- SAC successfully lowered the process priority. SAC成功地降低了进程优先级。
- SAC successfully raised the process priority. SAC成功地提高了处理优先级。
- Trachea intubatton for no breathing. 呼吸停止者给予气管插管;
- The other two were taken fenestration for trachea. 第2例行窗形姑息性切除；
- Conclusion: Lacrimal sac tumors are rare. 接下来两年多的追踪，肿瘤没有再复岭。
- Good morning. This is Brown from SAC. 早上好，我是SAC公司的布朗先生。
- Seed enclosed in an obtrusive sac of flesh. 种子密封在一个张扬囊肉.
- The mate deposits sperm in the queen's sperm sac. 带翅的雄性蚁把精子存到蚁后的卵囊中。
- Surgical construction of a respiratory opening in the trachea. 气管造口术在气管中造一呼吸通道的外科建构方法
- The yolk sac is gradually vascularized. 卵黄囊逐渐被血管化了。
- Cute home on a nice quiet cul de sac! 可爱的房屋在安静的小路街角上！
- An appropriate-size tube is chosen to fit the trachea. 选用与气管大小相仿的管子。
