单词	滙聚
释义	同Concentration
随便看	double groove weld double ground fault double group double guide bar mechanism double gun double hand double handed double-handed doublehanded double handed roller bandage double hanging truss double haploid double haploid (warmke & blakeslee 1939) double hard-chine hull double hare-lip double harness double harness cord double harp double hashing double head double-head double headed double-headed doubleheaded double headed conical spring