My wallet was gone. I could only have left it on the G9 bus, which was now speeding in the dark to some unknown station.

我的钱包不见了。我只能把钱包留在 G9 公交车上，如今，那辆公交车正在黑暗中飞速驶向某个未知的车站。

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Early Tuesday morning, the frightening news came that Japan was facing the full meltdown of crippled reactors at a nuclear power station - with unknown and potentially catastrophic consequences.

周二一早，令人恐惧的消息传来，日本一座核电站受损的反应堆面临完全熔化的风险，后果不得而知，可能是毁灭性的。

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The astronaut can send out a robot which will work on the unknown planet, collecting rocks and minerals, putting up a permanent observation station or traveling far and wide.

宇航员可以派出机器人在这颗陌生的行星上工作，收集岩石和矿物；建立永久性观察站，或向四面八方走动。

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Reports said a trade union leader was killed by some unknown men at a bus station in Punjab early on Wednesday.

BBC: Sporadic violence marks India reforms strike