People who do not sleep enough tend to become irritable .
A、easilyannoyedA
暫無解析
The company issues an annual report every March.
Batsfly,ratherthanglide,andthusaretheonlymammalscapableoftrueflight.
The Salk vaccine is a major factor in the fight to eradicate polio.
The future survival of the bald eagle is still an important American ecological concern.
Anoversight遺漏(miss,overslaugh)inproofreadingoftenresultsinprintederrors.
