December 4 2021 Vocabulary

(noun) hóa chất

• chemical

• cavity

• test

• investment

(n) sâu răng

• chemical

• cavity

• company

• patent

(n) sự đầu tư

• patent

• cavity

• company

• investment

(n) bằng sáng chế

• patent

• interest

• investment

• past

(noun) phòng thí nghiệm

• company

• factory

• market

• laboratory

(noun) vi khuẩn

• gum

• disease

• researcher

• bacteria

(noun) nhà khảo cổ

• conservationist

• archaeologist

• tourist

• official

(noun) công chức

• conservationist

• archaeologist

• official

• tourist

(n) nhà bảo tồn

• conservationist

• archaeologist

• tourist

• official

(v) thúc đẩy

• boost

• allow

• cause

• endanger