shellacs is shellac's Plural Form

shellac

US [ˈʃelæk]
UK ['ʃelæk]
  • n.虫胶;紫(胶虫)胶
  • v.以虫胶清漆覆盖;用虫胶清漆涂刷;轻易击败
  • Web封固底剂
Plural Form:shellacs  Present Participle:shellacking  Past Participle:shellacked  
shellacs
n.
1.
[u]
虫胶;紫(胶虫)胶a natural substance used in making varnish to protect surfaces and make them hard
v.
1.
~ sth
以虫胶清漆覆盖;用虫胶清漆涂刷to cover sth with shellac
2.
[usupass]
(informal)
~ sb
轻易击败to defeat sb very easily
The Republicans got shellacked in the elections.
共和党在选举中一败涂地。