Vietnamese Tutor













Most Common Compounds Set 1:


Most Common Compounds Set 2 :










Nước có chứa kiềm .
水里含有碱。



The water contains alkali .

Das Wasser enthält Alkali 0

Nước chứa kiềm .

含有
Shuǐ lǐ hányǒu jiǎn.


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