vi tinh thể 
microcrystal [ vi ] : (1) to surround; (2) to act as; (3) small, subtle, delicate, tiny, micro; (4) to disobey; (5) (shark’s) fin
[ tinh ] : (1) intelligent, smart, clever; (2) fine, pure; (3) only, nothing but; (4) sign; (5) star; (6) essence; (7) flag; (8) demon, spirit
[ thể ] : (1) body, group; (2) ability, capability; (3) card
Most Common Compounds Set 1:
Most Common Compounds Set 2 :