1. A ball, a hoop and a person are all you need to play one-on-one basketball.2. Playing basketball one-on-one either with a friend or the computer is fun.
play one-on-oneplay one-on-one 就是鬥牛的意思，一對一比賽某項運動。
這是一個連環問題: 燃燒石油導致二氧化碳增加，二氧化碳增加導致溫室效應，溫室效應導致冰層融化、海平面上升。 (請填空)
This is a chain of problems. Burning oil leads to increase in carbon dioxide, which leads to the greenhouse effect, which leads to melting of glaciers, which leads to rising sa levels.