Pet - Wikipedia Two of the most popular pets are dogs and cats
pet是什么意思_pet的翻译_音标_读音_用法_例句_爱词霸在线词典 These microplastics included a substance commonly known as PET and widely used in the manufacture of clothing and food and liquid containers
PET中文 (简体)翻译：剑桥词典 They have several pets - a dog, two rabbits, and a guinea pig 他们有好几只宠物：一只狗、两只兔子和一只豚鼠。 Doctors have discovered that keeping a pet can do wonders for your health Some people are really soppy about their pets There was a fashion for keeping reptiles as pets Old people often rely on pets for comfort and companionship in their twilight years
什么是KET、PET、FCE？ - 知乎 KET和PET，分别指的是剑桥英语五级证书考试的第一和第二级。 剑桥英语五级证书考试（Main Suite Examinations，缩略为MSE）是英国剑桥大学考试委员会，根据欧委会制定的语言教学大纲，设计的英语作为外国语的五级系列考试。 剑桥通用英语考试共分为五个等级： 第一级（入门水平）：英语入门考试（Key English Test，缩略为KET）； 第二级（初级水平）：初级英语考试（Preliminary English Test，缩略为PET）； 第三级（独立水平）：第一英语证书考试（First Certificate in English，缩略为FCE）； 第四级（流利运用）：高级英语证书考试（Certificate in Advanced English，缩略为CAE）；
Polyethylene terephthalate - Wikipedia PET consists of repeating (C 10 H 8 O 4) units It is commonly recycled, and has the digit 1 (♳) as its resin identification code (RIC)
PET | English meaning - Cambridge Dictionary They have several pets: a dog, two rabbits, and a guinea pig [ before noun ] He has a pet snake, which he keeps in the house Doctors have discovered that keeping a pet can do wonders for your health Some people are really soppy about their pets There was a fashion for keeping reptiles as pets
Pet | Definition, Types, History, Facts | Britannica pet, any animal kept by human beings as a source of companionship and pleasure While a pet is generally kept for the pleasure that it can give to its owner, often, especially with horses, dogs, and cats, as well as with some other domesticated animals, this pleasure appears to be mutual
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