热传递及温热疗法中,“热源直接向空间发散热的方式”属于()
A.热传导
B.热辐射
C.热对流
D.石蜡疗法
E.湿热袋敷疗法
参考答案:B
This piece of furniture is really inexpensive with a price of _____ forty dollars.
A.less than
B.more than
C.other than
D.rather than
简述抱拳礼的含义。