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- low grade pyrite 低品位硫铁矿
- A low number; a low grade of oil. 一个小的数; 低级油
- John is down on his teacher because she gave him a low grade. 约翰恨他的导师，因为她给他打了低分。
- My son mucked up the car engine by using cheap, low grade gasoline. 我的儿子使用便宜的低级汽油,汽车引擎损坏了。
- It's a mid scale and its ore belongs to low grade structural altereds tyle, limonite, pyrite are mainly gold carriers. 矿石以低品位构造蚀变岩型为主,褐铁矿、铁矿是主要的载金矿物。
- Low grades are getting Hellen down. 低分数使海伦闷闷不乐。
- He is a bit let down by the low grade he got. 这次成绩不好, 他有点气馁。
- Low grades are get ting Helen down. 考分很低使海纶闷闷不乐。
- My son muck up the car engine by using cheap, low grade gasoline. 我的儿子使用便宜的低级汽油,汽车引擎损坏了。
- The teacher remonstrated with the boy about his low grade. 教师告诫男孩,说他的分数太低了。
- My son muck up the car engine by using cheap,low grade gasoline. 我的儿子使用便宜的低级汽油，这把汽车引擎损坏了。
- Low quality is always a problem; low grade may not be. 质量低常成为一个问题，但等级低则不是。
- The teacher remonstrated with the boy about his low grades. 教师告诫男孩，说他的分数太低了。
- Untreated low grade rejection also poses an increased risk for CAV. 为CAV未处理的低等级拒绝也形成增加的风险.
- Non Ai lenses can mount on low grade nikon DSLR body??? 用尽旧镜微距能力，专人指导使用微距滤镜，拍尽微距世界！
- He tore up his test paper so that his mother wouldn't see his low grade. 他把自己的考卷儿撕了,这样他的母亲就不会看到他得的低分数。
- He tore up his test paper so that his mother would not see his low grade . 他把自己的考卷儿撕了，这样他的母亲就不会看到他得的低分数。
- Low grades are getting him down. 低分数使他郁郁不乐。
- I need to lecture my son about his low grades. 我儿子学习很差，得教训教训他了。
- Low grades are getting Helen down. 低分数使海伦闷闷不乐。
