Kevin buys a root beer.

凯文买了一瓶麦根沙士。

The Jelly Belly was created in Los Angeles with just eight flavors: cherry, lemon, cream soda, tangerine, green apple, root beer, grape and licorice.

吉百利在洛杉矶面世，只有八种口味：樱桃、柠檬、奶油苏打、橘子、青苹果、沙士、葡萄和甘草。

Waiter: Try our root beer float.

侍者：试试看我们的漂浮沙士。

Let's go and get a root beer float.

我们去喝一杯漂浮沙士吧。

He capped the bottle after having some root beer.

他喝了点菜根汽水后把瓶子又盖好。