engulf ：
The vehicle was engulfed in flames.
汽车被大火吞没。
The little boat was engulfed in the waves.
小船被波浪吞没了。
They reached safety seconds before the building was engulfed in flames.
他们到达安全地几秒钟之后，那房子就成了一片火海。
elf：
Design and research of running ELF file based on microkernel system
微内核系统直接加载ELF文件机制的设计与研究
Design and simulation of ELF antenna based on the wavelength conversion theory
利用波长变换理论的`ELF天线设计及仿真
The Analysis of the ELF File in the Linux System
Linux系统下的ELF文件分析