Definition of Ratrac in English:

Ratrac

(also Ratrack)

noun ˈratrak

A tracked vehicle designed for travelling on snow-covered terrain, used especially for compacting snow on a ski slope. [A trademark in the United Kingdom.]

1970s; earliest use found in Country Life. Apparently from German regional (Swiss) Ratrac, trade name, of unknown origin.

(also Ratrack)

nounˈratrak

A tracked vehicle designed for travelling on snow-covered terrain, used especially for compacting snow on a ski slope. [A trademark in the United Kingdom.]

1970s; earliest use found in Country Life. Apparently from German regional (Swiss) Ratrac, trade name, of unknown origin.

词汇	Ratrac
释义	Definition of Ratrac in English: Ratrac (also Ratrack) noun ˈratrak A tracked vehicle designed for travelling on snow-covered terrain, used especially for compacting snow on a ski slope. [A trademark in the United Kingdom.] Origin 1970s; earliest use found in Country Life. Apparently from German regional (Swiss) Ratrac, trade name, of unknown origin. Definition of Ratrac in US English: Ratrac (also Ratrack) nounˈratrak A tracked vehicle designed for travelling on snow-covered terrain, used especially for compacting snow on a ski slope. [A trademark in the United Kingdom.] Origin 1970s; earliest use found in Country Life. Apparently from German regional (Swiss) Ratrac, trade name, of unknown origin.
随便看	spermatic spermatical spermatically spermatically spermatic cord spermatic fluid spermatid spermatidal spermatidal spermative spermato- spermatocyte spermatocytes spermatogenesis spermatogenetic spermatogenic spermatogonia spermatogonial spermatogonial spermatogonium spermatophore spermatophoric spermatophyte spermatophytic spermatophytic