stepsister

n.

（继父与其前妻或继母与其前夫所生的）姐姐，妹妹；

复数：stepsisters

1. The first stepsister tried very hard to make the little glass slipper fit, as did the second stepsister.
   第一个继姊妹努力试了很久，还是穿不下那只玻璃舞鞋，而第二个继姊妹亦然。

Stepsister
Cinderella's Stepsister and the Big Bad Wolf
Cinderella's Stepsister and the Big Bad Wolf
The α1D-adrenergic receptor: Cinderella or ugly stepsister
The Problem of Ethics and Athletics: An Illegitimate Stepsister
Systolic hypertension is also the neglected stepsister of aortic stenosis
The alpha(1D)-adrenergic receptor: cinderella or ugly stepsister.
Taxonomy, the Cinderella of science, hidden by its evolutionary stepsister
Triglyceride-rich lipoprotein cholesterol (TRL-C): the ugly stepsister of LDL-C
After Auschwitz : a story of heartbreak and survival by the stepsister of Anne Frank