不常用英语怎么说？

不常

例句

• She’s not one for staying up late—she likes to be in bed by eleven. 她不常熬夜，喜欢十一点钟就上床睡觉。
• She doesn't garden very much nowadays—she tires easily. 她最近不常在园子里干活——她很容易疲劳。
• She does not attend often. 她不常出席。
• A book that remains shut is but a block. 书本不常翻,犹如一块砖.
• Every day is not Sunday. 好景不常在，好花不常开。
• We don't often have such windfalls. 发这么大一笔横财,咱们可不常见啊!
• Less common reagents that attack polymers include acids, bases. 比较不常见的浸蚀多聚物的化学浸蚀物有酸 、 碱.
• This exercise is fine for tensing up little - used muscles. 这项运动有助于锻炼那些不常使用的肌肉.
• Killer smogs don't happen very often, fortunately. 幸亏致人死命的烟雾不常出现.
• Dictionaries are still good for obscure usages and etymologies. 字典依然擅长于不常用的用法和词源.