在发情期，大野猪们会为求偶而展开激烈的争斗。

During the rutting season the big boars have the most terrible mating battles.

《柯林斯英汉双解大词典》

他们偶而会打高尔夫。

They sometimes play golf.

youdao

如果要吃的话，最好是让孩子们学会将加工肉类看作为偶而放纵一下的“零”食。

It is better if children learn to view processed meat as an occasional treat if it is eaten at all.

youdao

We only have the one bond so the actual HF molecule is polar, it has a net dipole.

但HF中只有一根键,所以分子也是极性的而甲烷中有一个网状偶极。

麻省理工公开课 - 固态化学导论课程节选