methine
美
英 ['meθi:n] 
英汉解释
例句
The meso carbon atom of the methine linkage of the dye is attached to the nitrogen atom of an amino group.
该染料的甲川链上的中位碳原子与氨基的氮原子相连。
However, the photo-stability of cyanine dyes could be decreased when conjugated methine chain increases.
但随着甲川链的增长,染料光稳定性下降。