Sound: play open strings alone; play slow scales, sustaining a 20- to 30-second bow; practice everything in the lower or upper half; or watch your contact point in the mirror.

音色︰只用空弦拉奏；慢慢地拉奏音阶，一弓维持在 20-30 秒；所有以上半弓或下半弓练习；或对着镜子看（弓的）接触点。

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At this point the upper stem has lost contact with the diaphragms. The valve should be opened to this point but not back seated.

在此时，上阀杆已经失去了同横膈膜的接触。阀门应该开启到这一点，但不能反向固定。

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An undershot bite in which two or more of the upper incisors lose contact with two or more of the lower incisors is a disqualification.

下颚突出式咬和如果有两颗或两颗以上的上门牙无法与下门牙接触，属于失格。

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Overall, it has an appealing, muted quality about it, with a matte finish that's divided by seams for the two non-removable caps, a covered port for micro-SIM and micro-USB ports on the upper left, and a circular cutout for NFC contact just beneath the 13.1-megapixel camera.

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Detectives have appealed for anyone who was in the Upper Cranlome Road area at the time of the incident and who saw any suspicious activity to contact them.

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