Definition: each of two sides, ends, etc. Level: B2
不幸的是，我坐在桌旁，两边都有吸烟者。
Unfortunately I was sitting at the table with smokers on ___either ___side of me.
有两个入口，露营地两端各一个。
There are two entrances, one at ___either ___end of the campsite.
