Now, the main challenge was to find the right material for printing clothes with. I mean the material you feed the printer with.

现在，主要的挑战是找到合适的材料来打印衣服，我指的是你放入打印机的材料。

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Tiffany conceptualized herself as a mother, whose main task was to feed her baby.

蒂芬妮把自己定位为主要任务是养育孩子的一位母亲。

《柯林斯英汉双解大词典》

The Washington Post reported, one of the main reasons, experts say, is that farmers have used herbicides on the milkweed plants that these butterflies feed on.

《华盛顿邮报》报道，专家说，主要原因之一是，农民对马利筋植物使用除草剂，而这些蝴蝶以马利筋植物为食。

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History has already shown that Facebook users don't take kindly to having more than one feed to look at, even if that feed is technically making their lives easier and removing some of the less important updates from the main feed.

BBC: Facebook: Web reaction to the News Feed revamp

Facebook unveiled changes to its news feed, the main channel on its service where users pose and consume content.

WSJ: What's News

In addition to seeing what your friends are watching, you now get video clips, pictures, and recaps from your top shows right in your main Feed.

ENGADGET: GetGlue update brings personalized guides, feeds and new ads to iPhone