她不常外出。
他不常笑。
那不常发生。
她不常穿高跟鞋。
肝脏是他的一种最爱，但我们不常供应这道菜，因为有那么多人不爱吃。
Liver is a great favourite of his and we don't serve it often because so many people dislike it.
这种鸟白天不常见。
我不常去听音乐会。
幸运的是，年轻妇女患乳腺癌的情况不常见。
Fortunately, cancer of the breast in young women is uncommon.
我周末大多都能见到她，但平时不常见到。
其他不常有的便利设施包括一个图书馆和健身房。
Other amenities, less commonly available, include a library and exercise room.
记忆力不常使用就会衰退。
每年这个时节都有可能下霜，只是并不常见。
这是一套简单的固定动作，是为不常锻炼的人设计的。
This is an easy routine, designed for anyone who is unused to exercise.
我们不常出去。我宁愿坐在电视机前安安静静地过一夜！
We don't go out much. Give me a quiet night in front of the TV any day!
虽然我们不常见面，但我和她仍然关系很好。
Though we don't see each other often, I am still on good terms with her.
她在那儿几乎没见过彼得，因为他不常来。
She hardly ever saw Peter there, for he did not come very often.
木偶鱼不常到这一带海域来。
我家人喜爱快餐，但我们不常在西式快餐店吃饭。
My family like fast food but we don't eat at Western fast food restaurants very often.
你得做你的工作，本·威瑟斯塔夫不常和我说话。
You have to do your work and Ben Weatherstaff won't speak to me often.
图图不常开口，但他一开口，就会变得十分愚蠢。
Once Tootles began, which was not very often, he had a silly way of going on.
当肌肉进行一项不常接触的活动时，肌肉内部的细小纤维就会被撕裂。
When muscles perform an activity they aren't regularly exposed to, the tiny fibers that are inside them are being torn apart.
当肌肉进行一项其不常接触的活动时，肌肉内部的细小纤维就会被撕裂。
When muscles perform an activity they aren't regularly exposed to, the tiny fibers that are inside them are being torn apart.
偶尔，我会听听收音机，看看他们在播什么，但不常听到我喜欢的东西。
Once in a while, I'll listen to the radio to see what they are putting out, but it's not too often I hear something I like.
原创音乐在当时并不常见。
但即便如此，它也是很不常见的。
这些动物并不常见，但却为许多人所熟知。
These animals are not very common, but are known to many people.
那些漂亮但是不常见的花带来了舒适、宁静和美。
Those beautiful but rare flowers bring in comfort, silence and beauty.
你们要有段时间不常见到我了。我是在房间学习。
You won't be seeing much of me for a while. I'll be in my room studying.
例如，没有屋顶的建筑是不常见的，因为它们不符合常规。
Buildings without roofs, for example, are unusual because they depart from the norm.
分和秒是古代美索不达米亚使用的一种不常见的60进制数字系统的口头和书面表达。
Minutes and seconds are the verbal and written representations of an uncommon base-60 number system used in ancient Mesopotamia.
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