色象差
参考答案："色像差"简称"色差"。通过实验可以得知各色光均有不同的"色像差"。
治疗梅核气的主方是（）。
A．半夏干姜散
B．半夏厚朴汤
C．膏发煎方
D．甘麦大枣汤
E．小柴胡汤
While prices are rising so fast, many people are working out ways to ______down their expenses. [ ]
A. cut
B. put
C. turn
D. settle
