unbranched molecule無支鏈分子
unbranched-chain hydrocarbon無支鏈烴
Unbranched alkanes直鏈烷烴
unbranched fin ray不分鰭條
unbranched chain不分支的鏈
unbranched fin-ray不分支鰭條
unbranched helical chain不分支螺旋鏈
unbranched straight chain不分支的直鏈
unbranched infection chain不分枝侵染鏈
1. without branches;
"a tree with an unbranched trunk"