In Sichuan, soldiers spent a hard time creeping across Luding Chain Bridge, which was made up of 13 iron chains, in the middle of gun fire.

在四川，士兵们在炮火中艰难地爬过由13条铁链组成的泸定铁桥。

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Iron and folic acid supplementation during pregnancy in Indonesia significantly reduced the risk of early neonatal death and could also do so in other low - and middle-income countries.

印度尼西亚孕妇在怀孕期间补充铁和叶酸显著降低了早期新生儿死亡的风险，这一举措在中低收入国家也可能收到相同的成效。

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NOBODY will call him the Iron Prime Minister, and the word “prudent” ceased to serve as his virtual middle-name a decade ago.

没有人会称呼他为铁腕首相。 十年前几乎可以作为他中间名的‘小心谨慎’也早已停用了。

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Previous excavations have revealed Middle Bronze Age and Iron Age artefacts, said archaeologist, Dr Andy Jones.

BBC: Bronze Age excavation project begins in Cornwall

From a fairway bunker, Woods hit 8-iron from 178 yards to the middle of the green for a two-putt birdie.

NPR: A Long Road Back To No. 1 For Tiger Woods

The aircraftmakers' confidence about the emerging world is based on what appears to be an iron law of aviation: rising numbers of urban middle-class people will mean rising demand for air travel, whatever short-term blips the economy suffers.

ECONOMIST: Business travel