a close relationship in which there is a good understanding and communication between people

融洽关系, 密切关系
an organism or creature that has two feet and is capable of walking or standing upright on those feet

双足动物, 双足生物
a large musical instrument of the violin family, with four strings that are tuned in perfect fifths

大提琴, チェロ
a metal fastening, usually a pair, joined by a chain or hinge, used to fasten a prisoner's wrists or ankles together

手铐, 镣铐
speech or writing that is considered to be silly, trivial, or lacking in sense or substance

废话, 胡说
a small, exclusive group of individuals who share similar interests, attitudes, or social status

小圈子, 社交圈
a type of coal characterized by its high carbon content, glossy appearance, and clean-burning properties

无烟煤, 硬煤
an object kept or given to someone as a reminder of a person, place, or event, often holding sentimental value

纪念品, 留念
a negatively charged electrode within an electrical device, from which electrons flow out into the external circuit

阴极, 负极
a small, rounded mound or hill, typically found in a landscape with gently rolling terrain

小丘, 丘陵
