exist side by side
to be side by side 骈; 骈 to exist side by side 并立; 并立 to place side by side for comparison (as parallel texts) 对照; 对照 ..
collateral
... Collared Scops-Owl 领角鸮 collateral 侧;副;并立 collateral branch 侧枝 ...
coexistence
并立(coexistence), 此释义来源于网络辞典。
并立,读音为bìng lì,汉语词语,意思是同时存在;并排而立。