舌环是活塞环的别称，由铸铁做成，表面有涂层以增加磨合性能。HAYU打舌钉，位置很重要，一般女孩就要稍微靠里面一点，男生要靠外一点，这样在kiss或oral时才能给对方最好的感觉。
也被批评戴着舌环录音。
把舌环或眉环拿掉(每只耳朵上只戴一个耳环)，遮盖住纹身。
Always remove tongue or eyebrow piercings3 no more than one earring in each ear, and hide tattoos.
目的：探讨树舌多糖gf注射液对化疗药物环磷酰胺的增效减毒作用及其作用机制。
Objective: to study the chemical therapeutic effects and efficacy enhancing and toxicity reducing of GAPSGF injection on mice who are treated with chemical therapeutic drug like Cytoxan.
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