便: quiet and comfortable纸: paper便纸架: toilet paper holder便缘: auxiliary rafter便中: at one's convenience; when it's convenient 望便中来取你的邮件。 please come for your mail whenever it's convenient便于制剂: facilitate preparation便中访问;塌下: droin便于用纱布包扎起来: to stick out like a sore thumb便逐渐有了: prostitute便于携带的水带折叠方法: hose carry便注定无法相聚: is not supposed for the love便于携带的炉子: camp stove