He is up to his tricks again.

The bird folds its wings.

鸟收拢翅膀.

The bed folds away ( into the wall ).

那张床可以摺叠收拢 ( 到墙里面去 ).

The bed folds away.

那张床可以摺叠收拢.

The rain stopped and I shut my umbrella.

雨停了,我收拢伞.

This outer ear , however, is nothing but a sound-gathering trumpet.

其实,外耳只不过是收拢声音的喇叭.

The President gathered up the papers stacked around on his blanket.

总统把散堆在毯子上的文件收拢一下.

The boy gathered his toys around him.

这孩子把玩具收拢放在自己身边.

The dog slipped its collar and ran away.

那条狗挣脱了项圈逃走了.

She tried to pull her hand free.

她想把自己的手挣脱开。

During the development of the limb, Sonic hedgehog ( SHH) protein plays a key role as a mediator of the zone of polarizing activity ( ZPA).

在肢体发育中，SONIC HEDGEHOG（SHH）蛋白作为极化区（the zone of polarizing actiVity，ZPA）的调节因子，发挥着十分重要的作用。

Seasonal variations of time determination of zat, zpa, and Za at Shanghai Observatory

上海天文台ZAT、ZPA、ZA三架仪器测时结果的季节性变化

Exotic pollution load analysis of south-west zone in Wuhan East Lake Research on the Current Situation of Pollution Sources and Its Countermeasure in ZPC

武汉东湖西南区外源污染调查与评价中原石化污染源现状调查及对策研究

Results There was little difference between the antibacterial ZPC and the common ZPC.

结果大体观察显示，抗菌磷酸锌黏固剂与普通磷酸锌黏固剂无明显差异。

A preliminary study on the zero point of charge ( zpc) of some soil colloids

几种土壤胶体电荷零点（ZPC）的初步研究

Research on the Current Situation of Pollution Sources and Its Countermeasure in ZPC

中原石化污染源现状调查及对策研究

Humans United Against Robots ( HUAR) and the Zombie Preparedness Initiative ( ZPI) build on these irrational fears, supplying information and networking for believers and jokers alike.

人类反机器人联盟（简称HUAR）和防备僵尸倡议组织（简称ZPI）都是基于这些无端的恐惧而建立的。他们为信奉者以及那些找乐之徒提供相关信息和组织网络。

ZPI focuses on providing a forum for survival techniques and advice on everything from how to find clean water, to how to skin a moose.

ZPI将重点放在建设论坛上面，设立平台供大家分享各种生存技巧和建议，从如何寻找清洁水源到如何剥驼鹿皮。

Hurricanes, tornadoes, snowstorms, ice storms and electrical storms are all examples of extreme weather that may challenge an entire community.

飓风、龙卷风、雪暴、冰暴和雷暴，都是可能威胁到整个社会的极端的气候现象。

Forecasters expected the storm to dump as much as10 feet of snow in the Sierra Nevada, where a blizzard warning was downgraded Friday evening to a winter storm warning.

预报员预测，暴风雨将使内华达山脉的积雪堆积到雪暴警报暴风雪警报10英尺，虽然那里的雪暴警报在周五晚上已经降级为暴风雪警报。

Bigger worms tend to live longer because they can dig deeper, and avoid temperature extremes, soils that are too wet or dry, snow and predators.

较大的蚯蚓会活得较久，因为它们能钻得深一些，避免了温度忽高忽低、土壤过湿或过干，也避免了雪暴和食肉动物（的伤害）。