As the mulch breaks down, it provides material that keeps the soil from getting hard.
VOA: special.2009.06.30
Just come in and settle down, because it's very hard to lecture with this amount of traffic.
进来以后就赶紧坐下来,你们这样乱糟糟的我讲不下去
It's not that hard, and in particular, notice that all I'm doing here is writing down notation.
这没有你想象的那么难,我只不过写下了一些符号
But what was that? The snow packed down hard under someones shoes.
VOA: special.2010.02.27
Then, there are antagonists that slow down the amount of neurotransmitters, either because they destroy neurotransmitters or they make it hard to create more.
另一种是抑制剂,抑制剂会抑制神经递质的释放量,有可能是通过破坏神经递质而实现,也可能是通过抑制神经递质的生成而实现
"I came back the next day and I put little parachutes for the Kaugummi and the Schokoladen , so they could see it and so it wouldn't hit them hard in the head, slow it down.
VOA: special.2011.08.11
He speaks in a language of math and it is very important for students to be able to have hot copies so that they can take notes on the paper rather than be working very hard to copy down the equations that he used in these lectures.
他以数学语言授课,所以发给学生教学材料,是非常重要的,这样就可在纸上做笔记,而不用拼命,抄下他在课上,用到的等式。
Military analysts believe Iran is wary of cracking down too hard, for fear of drawing in other militants from neighboring Pakistan and Afghanistan.
VOA: standard.2009.10.19
One of the reasons for thinking it's not clear whether the argument fails or not is because it's hard to pin down, where exactly did it go wrong?
并不能确定这个论证是否成立,的其中一个原因就是,我们很难确定,到底是哪里出了问题
Iranian security forces are once again clamping down hard on an opposition demonstration in a Tehran cemetery called to honor those slain during weeks of unrest, following the June 12 election.
VOA: standard.2009.07.30
"I think when it comes down to questions of hard cash and state budget, the European governments will feel they are doing what they can and it is not really up to the United States to tell them what to do,"
VOA: standard.2009.03.29
应用推荐