后颚的

If an abnormal frenulum is left untreated, it can result in marginal tissue recession, diastema, post-orthodontic relapse, may interfere with plaque control, prosthesis fabrication, and wound stability following surgery, and may affect facial esthetics and phonetics.

唇系带的异常附著会拉扯牙龈边缘并限制唇的运动，可能因此引起牙龈退缩、牙间隙、齿颚矫正治疗后复发、影响菌斑控制、假牙制作或术后伤口的稳定，甚至於影响美观与发音。

A two-stage posterior subapical osteotomy was used to reestablish the intermaxillary space. Following orthodontic treatment and implant placement, the patient regained occlusal harmony and normal masticatory function.

经分析拟定其治疗计划为：上颚后牙区以门诊手术进行二阶段的后上颚根尖截骨术，增加颚问垂直距离，并以局部矫正装置改正咬合平面，最后利用人工植牙方式来制作补缀物，来恢复病患的咀嚼功能。

Semivowels are vowel-like consonants: that is, the air-flow is not stopped or impeded so as to cause a friction-sound, but the aperture through which the air passes is smaller than the aperture of any vowel, such as

半元音是有些像元音的辅音，也就是说，发半元音时，气流并不需要受阻而形成摩擦音，但气流通过的缝隙要小于发元音时通过的缝隙。例如：1。/w/：舌后软颚半元音

The study indicates that Geodrassus diguitusiformis Hu, 2001 should be transferred to the genus Trachelas; Clubiona heteroducta Zhang et Yin, 1998 and Clubiona xiningensis Hu, 2001 are synonymized with Clubiona gongi Zhang et al., 1997 and Clubiona neglecta O.P.

管巢蛛科、圆颚蛛科、光盔蛛科(圆颚蛛和光盔蛛以前是管巢蛛的一部分，后被分出)目前全球分别已知15属527种、75属831种和32属239种；中国以往记述分别为1属78种(另有3疑问种)、7属18种(另有3疑问种)、和4属19种。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。