cluster的一般过去时怎么拼写？

cluster的复数形式为：clusters...

n.丛，簇，串，群，[语言]辅音群vi.丛生，群聚vt.使密集，使聚集...

Each atomic cluster is made up of neutrons and protons.原子簇是由中子和质子构成的。The clusters respond well to acid or cane girdling to improve cluster compactness and berry size.该组反应良好赤霉素或甘蔗剥皮,以提高集群小型化和浆果的大小.A cluster of vultures cr...

cluster的现在进行时为：clustering...

cluster的音标：cluster的英式发音音标为：['klʌstə(r)]cluster的美式发音音标为：['klʌstɚ]...

cluster的第三人称单数（三单）为：clusters...

cluster的现在完成时为：clustered...

cluster的近义词/同义词有：bunch, group, batch, set, clump, gather, tuft, knot, nest, connection, muster, collection, batch, lot, group, huddle, assemble, set, throng, bunch, resort。n.cluster的近义词（串;束,簇;群,组）：bunch, group, batch, se...

Chinese waiters stood in a cluster, sharing a private joke.华人服务生们站在一起，讲着只有他们自己才懂的笑话。The illustration shows a cluster of five roses coloured apricot orange.插图上是一簇杏橙色的玫瑰，一共5朵。A cluster of vultures crouched on the carcass o...