Microdots are generally concealed under stamps, on top of punctuation marks in typewritten letters, or under the lips of envelopes . 缩微点一般隐藏在邮票下面、打印信件的标点符号上边或者信封的折口内。
Photography - intra - oral dental photographic film - specification 摄影.口内牙科摄影胶片.规范
The mouth is so dry that it is difficulty for the patient to masticate and swallow food 口内大乾，以致病人咀嚼和吞下食物，都有困难。
The clinical appraisal to rigid internal fixation of the fracture of mandibular condyloid process 下颌骨骨折口内进路坚强内固定12例分析
Because she easily choked while drinking , we could only use a syringe to drop water slowly into her mouth 她饮水时很易哽喉，因此我们只能用针筒把水慢慢滴进她口内。
Pour water into drain outlets regularly to prevent foul air and insects in the sewage pipe from entering the premises 定期注水进排水口内，以防昆虫及臭气经排水口进入室内。
Reconstruction of the intraoral defect caused by tongue cancer was done for a patient by using a platysma myocutaneous flap 摘要本文描述一位舌癌切除的患者，以颈阔肌肌皮瓣予重建口内组织缺损。
Groove length and shape : if the weld is longer or the the vacuum of groove is larger , the welding deformation will be larger 坡口长度和形式：焊缝越长，焊接变形越大，坡口内空间越大，变形越大。
5 follow a strict oral hygiene routine . carefully brush your teeth and clean your braces every morning and night , also afterevery meal 5保持口腔卫生，每日早晚及饭后应仔细刷洗牙齿和口内矫治装置。
Then , pour a teaspoon of 1 : 99 diluted household bleach solution into the drain outlet . finally , spray insecticide into the drain outlet 然后把一茶匙1 : 99稀释的家用漂白水倒进排水口，再用杀虫水喷于排水口内。
