fissure

fissure的音标是[ˈfɪʃə(r)]，基本翻译是“裂缝；裂隙；裂口”。速记技巧是：f发短音/e/，i发/i/。

fissure的英文词源是拉丁语“fissura”，意为裂缝。fissure的变化形式包括复数形式“fissures”和过去式“fissured”以及现在分词“fissuring”。

相关单词：

1. fissile - 裂变的，易裂的，这个词由fissure和ile构成，表示可以分裂的。

2. fissure- crack, crevice - 裂缝可以导致裂缝、裂痕或狭缝，因此与fissure相关的单词有crack和crevice。

3. fissure-divide, split - 裂缝也可以导致分化和分裂，因此与fissure相关的单词有divide和split，表示分道扬镳或分裂。

4. fissure-fracture, crackle - 裂缝还可以导致破裂或爆裂，因此与fissure相关的单词有fracture和crackle，表示破裂或爆裂的声音。

fissure在英语中通常指人体或地质结构中的裂缝，也可以指思想或情感上的裂缝。这个词在描述地质结构时尤其重要，因为它可以用来描述地壳中的地震带或火山活动等地质现象。

fissure的常用短语：

1. fissure healing： 指牙周组织在牙周创伤解除后，通过组织再生和修复而愈合的过程。

2. fissure sealant： 指涂敷在牙齿表面的树脂材料，用于封闭牙齿发育中的发育孔隙，以预防龋齿的发生。

3. fissure widening： 指牙釉质发育沟或裂隙的加深或扩展。

4. fissure-like lesion： 指牙釉质发育不良形成的釉质发育沟或裂隙。

5. fissure fracture： 指牙齿表面的微小裂纹。

6. fissure-like defect： 指牙齿表面出现的类似裂纹的缺陷。

7. fissure-like appearance： 指牙齿表面出现的裂纹状外观。

例句：

1. The patient had a fissure-like lesion in the tooth and was advised to seek medical attention promptly.

2. The dentist applied a fissure sealant to the child"s teeth to prevent future cavities.

3. The fissures in the patient"s teeth worsened with age and required treatment.

4. The teeth of the elderly often have fissures due to wear and tear.

5. The athlete sustained a fissure fracture in his foot during a game and was unable to compete for several weeks.

6. The dentist used a laser to widen the fissures in the patient"s teeth and promote healing.

7. The doctor recommended that the patient have his teeth cleaned regularly to prevent fissure-like defects from developing.

英文小作文：

Fissures in Teeth: An Important Topic to Know About

Fissures are small cracks or splits that can appear in teeth for various reasons. They can be caused by various factors such as genetics, wear and tear, and dental trauma. Knowing about fissures in teeth is crucial because they can lead to serious dental issues if left untreated.

Fissures can appear in different forms such as fissure healing, fissure sealants, fissure widening, fissure-like lesions, fissure fractures, and fissure-like defects. Understanding these different types of fissures helps us understand their causes, progression, and treatment options.

Fortunately, fissures are preventable with proper oral hygiene measures and regular dental check-ups. Regular brushing and flossing can help reduce the risk of fissures developing, while regular dental check-ups can detect any existing issues early and provide treatment options before they become serious.

By being aware of fissures in teeth, we can take proactive measures to maintain good oral health and avoid future dental issues. Knowing about this topic is essential for maintaining good dental hygiene and preventing future dental problems.