FAQs About the word back-to-back

背靠背

one after the other

連續的,連續的,串行,順序的,直的,後續的,不間斷,常數,連續,隨之而來的

非連續的,非順序的,非連續的,不合邏輯

backtalk => 頂嘴, backsword => 雙手劍, backswimmer => 仰泳者, backswept => 後掠的, backstroker => 仰泳選手,