§ 概念

指火山最顶端的火山口下的洞.

§ 相关条目

火山

灾难

水灾

• SETmov
• SetPoint.exe
• setscrew
• setsockopt()
• setter
• setting
• settled
• settlement
• setup.dll
• setupapi.dll
• Seung-Shin Lee
• sevenfold
• seventeen
• seventh
• sever
• several
• severely
• Severity
• SEVIS系统
• sewage
• sewing
• sewing-machine
• sex
• sex-starved
• sexism