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- reagent pure grade 试剂纯级
- Reagent pure phosphato-tungstic acid was prepared by reacting sodium tungstate with dis-odium hydrogen phosphate and acidifying with hydrochloric acid. 由钨酸钠与磷酸氢二钠反应，再经盐酸酸化制得了试剂级的磷钨酸。
- Cardio Cocktail? delivers in each ounce 5grams of pure grade l-arginine that the body convers into nitric oxide. 健康鸡尾酒每盎司都有5克的纯左旋精氨酸，这能转换成一氧化氮。
- Cardio Co Mona ktail?delivers in each ounce 5g-rams of pure grade l-arginine that the bodyonvers into nitric oxide. 健康鸡尾酒每盎司都有5克的纯左旋精氨酸，这能转换成一氧化氮。
- Cardio Co Mona ktail?delivers in each ounce 5grams of pure grade l-arginine that the bodyonvers into nric oxide. 健康鸡尾酒每盎司都有5克的纯左旋精氨酸，这能转换成一氧化氮。
- It was pure luck that he was home when we called. 非常幸运，我们打电话时他在家里。
- Pupils who pass the test will be promoted to the next higher grade. 小学生只要考试及格就会升到高年级。
- I have the pure heart of a newborn baby. 我有一颗赤子之心。
- He's not in the first grade as a musician. 他不是第一流的音乐家。
- Business is now on the up grade. 目前生意蒸蒸日上。
- We must not condemn her on pure supposition. 我们不能单凭猜测就谴责她。
- Pupils with 90% or more are awarded Grade A. 满90分的学生评为甲等。
- Don't believe what he's saying it's pure bunkum. 别相信他的话--纯粹是胡说八道。
- A long hot bath can be pure luxury. 洗个痛快的热水澡可真是一种至高的享受。
- The fields were all covered with pure white snow. 白雪皑皑，铺满田野。
- Unless reagent grade sucrose is available use cane sugar. 如果没有试剂级的蔗糖，可以用甘蔗糖。
- The condition or quality of being pure or chaste. 纯洁纯洁或贞洁的状况或者品质
- That new lamp they've bought is pure kitsch. 他们新买的那盏灯真俗气。
- The sixth grade saw an educational film yesterday. 六年级学生昨天看了一部教育片。
- Besides, it's make of pure wool, very soft. 另外，这是纯羊毛的，手感柔和。
