Customary is used to describe things that people usually do in a particular society or in particular circumstances.
例句
It is customary to offer a drink or a snack to guests...向客人提供一杯饮料或一份点心是一种习俗。At Christmas it was customary for the children to perform bits of poetry...圣诞节孩子们总要唱一些圣诞颂歌。
ADJ
特有的;独特的;典型的
Customary is used to describe something that a particular person usually does or has.
例句
The king carried himself with his customary elegance...国王保持着一贯的温文尔雅。Yvonne took her customary seat behind her desk.伊冯娜坐在桌子后面那个她常坐的位子上。
英汉词典释义
adv.
习惯上,习俗上,通常
the geographic route along which birds customarily migrate.候鸟迁徙所经的路径
英英词典释义
Adverb
1. by custom; according to common practice;
"children are customarily expected to be seen but not heard"