打字猴:1.70511817e+09
1705118170
1705118171 24
1705118172
1705118173 underground
1705118174
1705118175 /ˈʌndəɡraund/
1705118176
1705118177 adj. 地下的
1705118178
1705118179 • The cavers discovered a vast underground chamber. 探穴人发现了一个地下大洞穴。
1705118180
1705118181 【同】secret, undercover
1705118182
1705118183 25
1705118184
1705118185 tunnel
1705118186
1705118187 /ˈtʌnəl/
1705118188
1705118189 n. 隧道,坑道,地道
1705118190
1705118191 • The kids dug a tunnel in the sand. 小孩们在沙堆里挖了一个地道。
1705118192
1705118193 【同】passage, passageway
1705118194
1705118195 26
1705118196
1705118197 den
1705118198
1705118199 /den/
1705118200
1705118201 n. 窝,兽穴
1705118202
1705118203 • The lion lay asleep in its den. 狮子躺在洞里睡觉。
1705118204
1705118205 27
1705118206
1705118207 extinct
1705118208
1705118209 /iksˈtiŋkt/
1705118210
1705118211 adj. 绝种的;熄灭了的
1705118212
1705118213 • Dinosaurs have been extinct for millions of years. 恐龙已绝种几百万年了。
1705118214
1705118215 【同】gone, dead
1705118216
1705118217 28
1705118218
1705118219 existence
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