微量元素 wēi liàng yuán sù

DEFINITIONS

  1. trace element (chemistry)

CHARACTERS

微 wēi
HSK 4
small, prefix micro-, trifling
量 liàng
HSK 4
measure, quantity, capacity
元 yuán
HSK 3
first; dollar; origin; head
素 sù
HSK 5
white (silk); plain; vegetarian; formerly; normally