A chemical that is toxic to microrganisms. Biocides are ...
Seismometers are instruments that measure motions of the ...
A volcano is an opening, or rupture, in the surface or ...
Indonesia has the most varieties of Coral Reefs.Its ...
A Japanese term for large ocean wave caused by movement in ...
Wild mint is a common herb in the Bistra Mountain, ...
0
词条
词汇
11
关注者
47
3
60
2
18
1
9
51