tunnel
名词复数:tunnels
过去式:tunneled, tunnelled
过去分词:tunneled, tunnelled
现在进行时:tunneling, tunnelling
词形变化:
名词: tunneler | 动词过去式: tunneled/tunnelled | 动词过去分词: tunneled/tunnelled | 动词现在分词: tunneling/tunnelling | 动词第三人称单数: tunnels/tunnels |
词义辨析:
同义:
n.洞穴
cave
grotto
cavern
underground passage
同义参见:
den
burrow
underground1
couch
subway
grub
dig