double w造句

例句与造句

1. It is unknown whether it might be that the presence of the W chromosome induces female features, or whether instead it is the duplication of the Z chromosome that induces male ones; unlike mammals, no birds with a double W chromosome ( ZWW ) or a single Z ( Z0 ) have been discovered.
2. It's difficult to find double w in a sentence. 用double w造句挺难的