— , but someone thinks it's .
A:Good enough; bored
B:Enough good; boring
C:Good enough; boring
D:Enough good; bored
中国在北极地区建立的第一个考察站是( )
悍____ 岔____ 谬____
捍____ 忿____ 缪____
筏____ 褴____ 嘘____
阀____ 尴____ 虚____
下列对声现象的描述,应用物理知识解释正确的是