The team is optimizing the performance of the wheels, suspension, the drive system, so it doesn't dig itself in on tricky terrain.

探测队正在改进车轮、悬吊和驱动系统的性能，这样漫游车着陆时就不会陷入复杂的地形中。

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One of the leaders of the drop-in drive is Alan Shaw, the boss of Codexis, a firm based in Redwood City, California, which makes specialised enzymes that perform tricky chemical conversions.

Dropin的其中一个领航者是阿兰肖恩，C公司的老板，该公司位于加利福尼亚红木市，生产一种专业酶，这种酶起到灵活的化学转换作用。

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In these tricky chicanes and these fast corners with this low downforce it is very easy to over-drive a little bit, so the first lap at the end was the best one as maybe you do it in a calmer way.

这些很有变数的减速弯和这些快速弯道以及这么低的下压力，很容易就会过度驾驶一点点，所以，最终，第一圈是最好的，可能是因为你跑的时候更加冷静。

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The team add that Hamilton's set-up could make the car tricky to drive during the race when his McLaren will be filled up with fuel.

BBC: Italian GP qualifying as it happened

It may also prove tricky that the main bankroller of the signature-drive is a man whose son is in prison for two counts of manslaughter in a car accident.

ECONOMIST: Do pizza-stealers deserve 25 years?

But Natal-born Amla, whose grandparents migrated from India, overcame the tricky spell and reached his double hundred with a delightful drive off spinner Virender Sehwag.

BBC: Hashim Amla hits double ton as South Africa lead India