Many cis people have never questioned their gender identity. 许多顺性别者从未质疑过自己的性别认同。
In organic chemistry, the cis isomer can have different physical properties from the trans form, even though they share the same molecular formula. 在有机化学中,顺式异构体即使与反式形式具有相同分子式,也可能呈现不同的物理性质。