early 15c., from Old French invariable (14c.) and directly from Medieval Latin invariabilis, from in- "not, opposite of" (see in- (1)) + variabilis (see variable). Related: Invariably.
实用例句
1. It was his invariable custom to have one whisky before his supper.
晚饭前来杯威士忌，这是他一直以来的习惯。
来自柯林斯例句
2. Her routine was invariable.
她的日常生活总是千篇一律。
来自《权威词典》
3. This process, however, was not invariable.
但是, 这个过程并非始终不变.
来自《简明英汉词典》
4. The day's routine, whether in London or at Windson, was almost invariable.
每日的生活, 无论在伦敦或在温色差不多没有变化的.
来自辞典例句
5. Reduced vigor or " inbreeding depression " is not an invariable consequence of inbreeding.
