Drip, or "micro" irrigation, as the name suggests, is stingier with the water, delivering it to the roots of plants drop by drop.

滴灌，或者“微”灌溉，顾名思义，是更吝啬于水，把水一滴一滴地滴到植物的根部。

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If you are adding a "Drop shadow" layer effect, and you have the layer Style dialog open to the Drop shadow Settings, you can move the shadow around by clicking and dragging in the image.

如果你下大添加一个“投影”的图层效果，并且你已经打开了图层样式的对话框并进行了投影设置，你可以通过点击并拖动图形的阴影来移动图形的投影。

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The risk of heart attack and stroke starts to drop immediately after a person stops using tobacco products, and can drop by as much as half after one year.

好消息是在人们停止使用烟草制品后心脏病发作和中风的危险立即开始下降，并且在一年后可下降达一半。

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Just last week,the Commerce Department reported an unexpected drop in December in the number of housing starts by builders.

VOA: special.2011.01.24

So, it's a trivial matter, by looking at what is the weight and how far does it drop, to say OK, how much work is done by the paddle wheel.

好，让我们看看重物的质量,以及它下落的距离，就知道桨轮做了多少功。

麻省理工公开课 - 热力学与动力学课程节选

because there are a lot of stars that live around here that sometimes drop by.

因为这附近住着很多明星，他们有时候会路过。

学习机械工程 - SpeakingMax英语口语达人

And even in our sleep pain that cannot forget falls drop by drop upon the heart, and in our own despair, against our will, comes wisdom to us by the awful grace of God.

CNN: Brought up to be a good man

As in filling a vessel drop by drop, there is at last a drop that makes it run over.

FORBES: The Most Gratifying Gift You Can Give This Holiday

Drop by drop, our comprehension grows.

NEWYORKER: Family Farm