Vietnamese Tutor







Towns and buildings chemische Reinigung + dry cleaners + Shops A
Geography, history, war and peace die chemische Kriegsführung + chemical warfare + Weapons B
Geography, history, war and peace chemische Waffe + chemical weapon + Weapons B





Most Common Compounds Set 1:


Most Common Compounds Set 2 :









Cô ấy đang tiến hành nghiên cứu hóa học .
她在做化学研究。



She is conducting chemical research .

Sie betreibt chemische Forschung 0

Cô ấy đang tiến hành nghiên cứu hóa học .

她 在 做 化学 研究 。
Tā zài zuò huàxué yánjiū.


(0914)