1. Chancre: Primary sore or ulcer at the site of entry of a pathogen; specifically, the typical skin lesion of primary infectious syphilis. 下疳：性传播疾病梅毒早期的典型皮肤病变，常常发生在阴茎、阴唇、子宫颈或肛门直肠部位。
2. Sister Ethel: I began under a tree, but now we have a center that has a clinic, a pre-primary school, and a primary school. 伊莎尔修女：我从一棵树下开始，但是现在我们有一个中心，?面有诊所、幼稚园、及小学。
3. a reflecting telescope that has a paraboloidal primary mirror and a hyperboloidal secondary mirror; light is brought to a focus through an aperture in the center of the primary mirror. 具有抛物面主镜和双曲面次镜的一种折射式望远镜；光线被集中到主镜中心的孔径。
4. To fix this conflict, you may change the foreign key to match an existing primary key, reinsert the original primary key value, or ignore the conflict. 若要修复此冲突，可以将外部关键字更改为与已有主关键字相匹配的值，重新插入原始主关键字值，或忽略此冲突。
5. The potassium chloride zincification technics was introduced, and its proportioning and condition for primary working procedure, and check and measure for primary ingredient. 本文介绍氯化钾镀锌工艺过程、主要工序的配方及工艺条件、镀液主要成分的分析方法。
网络释义
primary accent primary stress 主重音;
primary accent primary stress 主重音;
Yuen Chen Maun Chen Primary Jubilee Primary School 阮郑梦芹银禧小学;
net primary production per gross primary production ratio 净初级生产比率;
