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n (1)地(隧)道(underground passageway for trains，automobiles，etc)[C]：the Channel T～(英法之間的)海峽隧道;go into/through a～進(jìn)入/穿過隧道;dig a～under the cell 在牢房底下挖地道;

(2)(由動物掘出的)地下通道(underground passage made by a burrowing animal)[C]：dig a～in the sand 在沙地里打洞;Moles dig～s. 鼴鼠打洞。

v (1)挖掘隧(通)道(make a tunnel or tunnels)[I，I+prep(into/through/under)，I+adv]：escape by～ing 挖地道逃跑;～under the sea/the walls 在海底挖隧道/在墻根下挖地道;

(2)挖掘(隧道……)(make or dig sth in the form of a tunnel)[T+n，T+n+prep (into/through/under)，T+n+adv]：～a hole/a shaft/a passage 挖洞/掘井/挖掘通道;～one's way to a certain spot/through the mountain 挖地道通向某一地點(diǎn)/鑿隧道穿過大山;

→′tunneler n 挖隧道的人