本集核心英语单词及例句：

1.once in a blue moon 千载难逢；罕见
Jim has moved to another neighborhood, so I only see him once in a blue moon these days.
Jim搬到了另一个社区，所以这些天我很少见到他。

2.convertible (n.)敞篷车
My father bought a convertible many years ago, so we could drive in the countryside in the summer.
我父亲很多年前买了一辆敞篷车，我们在夏天开着它去乡下。

3.fingertips (n.)指尖；指套
The gloves keep my fingertips really warm and cozy.
这副手套使我的指尖保持温暖和舒适。

4.mittens (n.)连指手套；露指手套
Mittens are gloves that keep your fingers together.
连指手套是让你的手指并在一起的手套。

5.wintertime (n.)冬季
The weather is generally colder in the wintertime than in the summertime.
冬季的天气普遍比夏天的天气冷。

6.pretty (adv.)相当地
It was a pretty cold day today; in fact, it snowed all morning.
今天相当地冷，事实上，早上一直在下雪。