thick undercoat
collocation厚实的底绒
The breed has a thick undercoat that provides insulation.
这个品种有一层厚实的底绒，可以保暖。
底漆；底层涂料；动物毛皮下层的短毛；涂在表面、面漆之下的一层涂料或其他材料；有时指有色底漆。；下层绒毛；底漆
the layer of short soft hair under an animal's longer outer hair
动物毛皮下层的短毛
A layer of short hairs underneath the longer ones of an animal's fur.
涂在表面、面漆之下的一层涂料或其他材料；有时指有色底漆。
A coat of paint or other material applied onto a surface before that of a topcoat; sometimes, a coloured primer.
This type of dog has a thick undercoat that keeps it warm in winter.
这种狗有一层厚厚的底毛，冬天能让它保暖。
用法提示：此处 undercoat 是名词，指动物皮毛下层的短绒毛，在句中作宾语。
Cats often lose their undercoats in spring, so you may find more fur around the house.
猫常在春天掉底毛，所以你在屋子里可能会发现更多毛。
用法提示：此处 undercoats 是名词复数，指猫脱落的底层绒毛，在句中作宾语。
The puppy's soft undercoat feels like thick cotton under its outer hair.
这只小狗柔软的底毛长在外层毛下面，摸起来像厚厚的棉花。
用法提示：此处 undercoat 是名词，指小狗贴近皮肤的短绒毛，在句中作主语。
最贴近的同义词，特指哺乳动物外层毛下的柔软短毛层，比 undercoat 更侧重毛质。
指构成底绒的单根毛发，可与 underfur 互换，但不如 underfur 常用。
多用于羊等有毛动物的细软底层毛，语气较专门；日常英语较少使用。
与 undercoat 的“底漆/底层涂料”义相对时，指最后一道面漆；与动物毛皮下层短毛义相对时，指外层较长的毛。二者不是同义词，不可互换使用。
厚实的底绒
The breed has a thick undercoat that provides insulation.
这个品种有一层厚实的底绒，可以保暖。
柔软的底绒
The kitten's soft undercoat is covered by its outer fur.
小猫柔软的底绒被外层毛发覆盖。
脱掉底绒
Many dogs shed their undercoat in spring.
很多狗在春天脱掉底绒。
涂一层底漆
Apply an undercoat before painting the walls.
刷墙前先涂一层底漆。
一层底漆
The door needs an undercoat of paint to cover the old colour.
这扇门需要涂一层底漆来盖住旧颜色。
白色底漆
Use a white undercoat to make the topcoat colour more vibrant.
使用白色底漆让面漆颜色更鲜艳。
prefix; related: underwear, underground, underline
root; related: overcoat, topcoat, raincoat
动物体表的毛层，undercoat即其内侧贴近皮肤的短毛层。
覆盖在undercoat外侧的长硬毛，二者共同形成动物的被毛层。
涂在undercoat之上的最终涂层，两者构成上下对应的涂装层次。
undercoat所涂覆或覆盖的物体表面，是其发挥作用的对象。
动物换毛时常先脱换undercoat，这个词与undercoat常在同一语境出现。
Choose the next layer that will help you use undercoat with more confidence.
Recommended next
Preparing Usage patterns
Complete this area with usage patterns.
Preparing Common mistakes & Confusing words
See typical errors learners make and confusing words to avoid.
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.