分词翻译
微量的英语翻译：
minim; sparklet; atom; dram; drop; scruple; tittle
【医】 microdosage; microdose; microdosis; minute dose; trace成分的英语翻译：
component; composition; constituent; ingredient
【化】 component part; composition; ingredient
【医】 component; composition; fraction; ingredient; principle
