He is interested in speleology.
他对洞穴学很感兴趣。
His interest in the kindred field of speleology was promptly revived.
他感兴趣的领域的骨肉洞穴学的迅速恢复。
SPELEOLOGY Quebec fishing licences and fishing authorization are obligatory.
洞穴魁北克捕鱼许可证和捕捞许可义不容辞得责任。
SPELEOLOGY Quebec fishing licences and fishing authorization are obligatory.
洞穴魁北克捕鱼许可证和捕捞许可义不容辞的责任。
SPELEOLOGY Quebec fishing licences and fishing authorization are obligatory.
魁北克捕鱼许可证和捕捞许可是强制性得。
It has been read out in the first speleology annual meeting held in Yungfu, Guangdong province in Nov.1991.
曾于1991年11月在广东云浮召开得第一届洞穴年会上宣讲。
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