英文關鍵字
activity
colourful
danger
data
device
diagram
disaster
earthquake
earthquakes
eruption
finger
frequency
geography
geology
graph
graphing
hand
human
instrument
line
lines
measure
measurement
measuring
meteorological
motion
paper
pen
physical
plate
record
ruler
seismic
seismicity
seismogram
seismograph
seismological
seismology
seismometer
seismometry
sheet
showing
tectonics
tidal
volcanic
volcano
wave
waves
writing