常常

Low density lipoprotein. This is often known as bad cholesterol and is thought to promote arterial disease.

低密度脂蛋白，这是常常被称为坏cholesterol 和被认为是促进动脉疾病。

High density lipoprotein. This is often referred to as 'good cholesterol', and may oppose arterial disease.

高密度脂蛋白，这是常常被称为'好的胆固醇'，并有可能反对动脉疾病。

There's another important and related theme that I've often heard articulated.

这是另一个我常常听到的有关联的重要主题。

As far as student be concerned , the person basic skill is all comparatively solid , all-round sometimes being short of to music understands that and releases oneself one kind really but.

学生的大部分课余时间都是用来完成教师所布置的曲目，而不是进行独立的思考和选择，所以，在专业技巧得到单方面锻炼的同时，常常忽略了进行积极的自我分析，关注自身特点并依照自身性格特征对演唱曲目进行有效性选择。

As often as not, just because they can.

常常没有，仅仅因为它们能这样做。

As often as not, we attempted to elude her, but to no avail.

我们常常试着避开她，但都不起作用。

Even people who are gifted communicators in social circles are often not as effective in business communication.

甚至是那些在社交圈有交流天赋的人也常常不能在商业圈真正有效地交流。

The conquerors of Ascalon, the charr are fierce, hawkishness creatures-the intractable foes of manhood.

我是2008年8月就加入7天的，常常到处旅行，不到一年的时间里就积累了3850的积分

However,studies on marine ascidian skeletons have revealed that ACC as a transient precursor to crystalline CaCO3 can stably exist for long time in organisms,and the stable ACC is usually membrane-embedded.

但由海鞘类动物的研究表明，ACC可作为碳酸钙晶体矿物的前驱体在生物体内稳定存在，并且这些生物成因的ACC常常是由膜包裹着的。

However, studies on marine ascidian skeletons have revealed that ACC as a transient precursor to crystalline CaCO3 can stably exist for long time in organisms, and the stable ACC is usually membraneembedded.

但由海鞘类动物的研究表明，ACC可作为碳酸钙晶体矿物的前驱体在生物体内稳定存在，并且这些生物成因的ACC常常是由膜包裹着的。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。