BACKGROUND: Vascular complications usually occur in diseases related to obesity such as primary hypertension or diabetes.

Tunnel projects usually occur in city where high-rise building and elevated bridge etc have badly concentrated.

地铁工程建设多滞后修建于高层建筑、高架桥梁等已高度密集的城市环境中。

Terrible things usually occur at midnight.

可怕的事情通常在午夜发生。

The mutations usually occur in mucous malignant cancer and the mutation rate is increased significantly.

polβ基因突变多发生在粘膜性恶性肿瘤，并且突变发生频率也相对较高。

The breakthrough of gas usually occur during low permeability reservoir development, that lead to recovery efficiency fall.

低渗透油藏注气开发极容易发生气窜，导致采收率降低。

They usually occur in high stakes situations, where people have something to lose or gain.

微表情通常会在人们经历得失、情势危急的时候出现。

Faulf of electric equipments usually occur in their use.

电气设备使用中经常会出现故障。

Small precursory events usually occur before strong instability involving the intersecting faults.

涉及交叉断层的较大失稳事件发生前常出现前兆性小事件。

The events callbacks usually occur at the time of parsing.

事件回调通常在进行解析时发生。

The respiratory behaviors usually occur when they are in the middle of water.

母仔豚呼吸行为多发生在夹江中心水域。

These two kinds of lesions usually occur within 3 months after birth.

婴儿湿疹和婴儿脂溢性皮炎好发于出生后3个月以内的婴儿，后者可能是由于母体雄性激素的影响。

This class of problems usually occur in many scientific and engineering fields.

此类问题时常出现在许多科学与工程的研究领域内。

Merge and acquisition usually occur in capital intensive industries.

并购活动通常发生在资本密集型行业。

And I was dying to spend the day with my family.

我真的很渴望能够跟家人过中秋节！

On Mid-Autumn Festvial, we eat moon cakes in my family.

在中秋节，我们在家里吃月饼。

We talk about chinese lunar festival and moon cake today.

今天的节目，我们一起来说一说中秋节和月饼。

Mid-Autumn Festival is one of important Chinese traditional festivals.

中秋节是中国非常重要的传统节日之一。

How ara you going to spend this full moon festival?

你是如何度过中秋节？

My experience at the MID – AUTUM FESTIVAL has been amazing.

我在中秋节的经验是极之美好。

Chinese traditionally eat the moon cakes at the Moon Festival.

过中秋节，中国人的传统是吃月饼。

More joy, sorrow less, I wish Happy Mid-Autumn Festival!

欢乐多，忧愁少，预祝中秋节快乐！