畛畦 zhþn qí
参考答案:
田间小路。引申为界限,隔阂。
I am making water means().
A.my vessel is leaking
B.my vessel is producing fresh water
C.my vessel is producing sea water
D.sea water is de-salted on board my vessel
死髓牙根尖部牙龈出现瘘管应考虑为
A.慢性牙髓炎
B.慢性根尖肉芽肿
C.慢性根尖脓肿
D.根尖囊肿
E.慢性根尖炎急性发作