Assertion: sperm whale's series | /r/Synonym | a click train
Facets:
Source sentences:
text: The clicks are directional and are used for echolocation, often occurring in a short series called a click train.
text: The clicks are directional and are for echolocation, often occurring in a short series called a click train.
text: The clicks are directional and are used for echolocation, often occurring in a short series called a click train.
text: The clicks are directional and are for echolocation, often occurring in a short series called a click train.