形容詞 side by side:

1. nearest in space or position; immediately adjoining without intervening space
   同義詞：adjacent, next
2. closely related or associated

1. A line of soldiers, vehicles, or equipment standing side by side in close order.
   并排橫排緊密地一個挨一個地排列著的士兵、交通工具或裝備
2. The general manager and the chairman are sitting behind the desk side by side.
   總經(jīng)理和董事長并列坐在桌子后面。
3. Rich and poor live side by side but in conditions of extraordinary disparity.
   雖然富人和窮人住在一起，但是條件相差極為懸殊。
4. The two boys play side by side all afternoon.
   這兩個男孩整個下午都在一起玩。