blueshift
n. 蓝移;蓝移效应
例句
Although in this case the waves are not in the visible spectrum, physicists still call the stretching and shrinking of the waves red-shift and blueshift, respectively.
虽然这种情况下电磁波的波长不在可见光的范围内,物理学家仍旧分别称波的红移和蓝移为“伸长(Stretching)”与“收缩(Shrinking)”。