sector 7中文什么意思

第七防区

• sector:    n. 1.【数学】扇形(面)。 2. ...
• at-7:    双三氯酚
• the 7:    7人

百科释义

Sector 7 is a wordless picture book created and illustrated by David Wiesner. Published in 1999 by Clarion Books, it was the recipient of the Caldecott Honor for illustration in 2000.