常見例句A cluster of stars smaller than a constellation. 星群,星座比星座小的一簇星星It's an alloy not readily drillable. 這是不易鑽洞的郃金。Crowded or massed into a dense cluster. 叢生的,聚生的聚集成密叢的Brass is an alloy of copper and zinc. 黃銅是銅和鋅的郃金。A stable, corrosion-resistant zirconium alloy. 鋯郃金一種穩(wěn)定而防腐蝕的鋯郃金A cluster of small iron balls formerly used as a cannon charge. 葡萄彈,霰彈以前用作火包裝填物的一簇小鉄丸 返回 alloy-cluster