Objective To probe deeply into the traumatic characteristics and the neurobiologic mechanism of overextended mouth opening of the temporomandibular joint (TMJ).

目的深入探讨过度张口对颞下颌关节（TMJ）的损伤特点及其神经生物学机制。

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China and Vietnam officially launched the joint inspection of the waters outside the mouth of the Beibu Bay at the end of last year. It is said that the inspection is coming to an end.

去年底，中国和越南正式启动了北部湾湾口外海域共同考察海上作业，听说近期将结束共同考察。

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The sand retention apparatus is composed of an upper joint (1), a central tube (2), a retention ring (3), a sealing element (4), a spacing ring (5), an adjusting ring (6) and a bell mouth (7).

此种挡砂器由上接头(1)、中心管(2)、挡环(3)、密封件(4)、隔环(5)、调节环(6)和喇叭口(7)组成。

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The planned cull is part of a joint effort by the Northern Ireland Republic of Ireland governments to try to stamp out foot-and-mouth disease.

BBC: Farm in Thisk in Northern Ireland