農民階級由農民構成的社會(huì )階級
The social class constituted by peasants.
群叢，結合體在一特定地理區域里由一種或兩種主要種類(lèi)構成的區域的大量有機體
A large number of organisms in a specific geographic area constituting a community with one or two dominant species.
音型一組短而連貫的音符或和弦構成的基本音型，經(jīng)常為一更大的樂(lè )曲或結構構成基礎
A brief melodic or harmonic unit often constituting the base for a larger phrase or structure.
銅合金銅與錫、銻、磷或其物質(zhì)構成的一種合金，含錫，也可不含錫
Any of various alloys of copper, with or without tin, and antimony, phosphorus, or other components.
