Stretch marks, red skin striations that can gradually fade to a silvery hue, form when you gain weight rapidly.

妊娠纹是一种可以逐渐由红色褪为银色的纹，它形成于你迅速增加体重时。

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What they don't see is a lot of people enjoying an art form, and turning the dullest stretch of their day into a treat.

这些人忽视的是很多人正在欣赏一种艺术，而这种艺术能把每天中最无聊的时间变成一种享受。

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In this open water, sunlight provides the fuel and various current systems provide nutrients from deeper waters to form blooms that can stretch 100 to 200 kilometers (60 to 120 miles).

在这些广阔的海水中，阳光提供了能量，各种洋流系统从深海带来养分，最终形成绵延100至200公里(60至120英里)的水华。

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Legendary beaches, a vast range of restaurants, bike and walking paths that stretch form one end to the other, and activities like whale watching, golf, and fishing make it a relaxing escape.

FORBES: Nantucket Gets Two New Hotels For Peak Summer Season

These encourage protein molecules to stretch out and form fibres.

ECONOMIST: A species of crustacean makes silk underwater

Richard Hamilton of Columbia University had previously realised the usefulness of this heat-flow model but became unstuck when he found that, under this transformation, the object may stretch out to form singularities spikes that could not be easily manipulated into a sphere.

ECONOMIST: Proof of the truth of the Poincar�� conjecture