拆解联想
将单词拆分为 'a-'（无）+ 'chromatic'（彩色的）+ '-ity'（名词后缀）。联想：'A chromatic (彩色的) world without color (无) is achromaticity (无色性)。'
The scientist praised the lens for its perfect achromaticity, which eliminated color distortion in the images. (科学家称赞镜头完美的消色差特性，消除了图像中的色彩失真。)