Chinese
:
臭氧洞
English
:
ozone hole
Cantonese pronunciation
:
tsɐu3 jœŋ5 duŋ6
Putonghua pronunciation
:
chòu yǎng dòng
English pronunciation
:
ˈəʊ.zəʊn həʊl
Subjects
:
General Studies
Grades
:
Secondary 1 Secondary 2 Secondary 3 Secondary 4 Secondary 5 Secondary 6
Alphabet
:
O