Only 15% of countries have comprehensive laws relating to five key risk factors: speeding, drinking and driving, and the use of motorcycle helmets, seat-belts and child restraints.

仅有15%的国家有涉及五个主要危险因素的综合性法律：超速驾驶、酒后驾车以及摩托车头盔、安全带和儿童约束装置的使用。

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Clutch spring, valve spring, spring for shock absorber, torsion bar for automotive seat, other kinds of high quality spring and key parts for automotive industry.

离合器弹簧、气门弹簧、减震器弹簧、汽车座椅扭力杆、其他各类汽车行业用高品质弹簧及关键部件。

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I can see a key on the seat by the sea.

我可以在海边的座位上看到一把钥匙。

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Sestak will now face Republican candidate Pat Toomey in the November election for this key senate seat.

VOA: standard.2010.05.19

So when the Democrats lost a key Senate seat in the Massachusetts special election a couple of months ago, it was expected that the health care bill would be defeated easily.

FORBES: Charts Provide Reliable Warnings

The Conservatives will be hopeful of holding on to Monmouth, and Neil Kinnock s old seat of Islwyn is a key Labour target seat, as the party strives to win an overall majority.

BBC: NEWS | VOTE 2003

The normally low-key Carter ripped into the seat holder, William Higgins, who has filed for an injunction with a New York court to block the Dec 6. vote.

FORBES: Magazine Article