Sound

출구

의문 1 of 1

  남은 시간


0
110789
0
120
block

Matching

텍스트 일치 (클릭하고 드래그)   

(0/0)




텍스트 매치

Frequency

Amplitude

Wavelength

Crest

Trough

클릭하고 드래그

The high point of a wave

The distance between one crest to the next (or one trough to the next)

The low point of a wave

The distance between the resting point and a crest or trough

The number of crests or troughs of a wave that pass by


110790
0
120
none
110791
0
120
none
110792
0
120
none
110793
0
120
none
110794
0
120
none
110795
0
120
none
110796
0
120
none