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1·HAS performed the maximum number of drive cleanings.

清洗器墨盒已进行了最大次数的驱动器清洗。

2·My mother said that today we should do some cleanings.

我的母亲说，今天我们应该打扫一下卫生。

3·How often should you visit the dentist for professional dental cleanings?

到牙医那里去接受专业洗牙治疗应该多久去一次呢？

4·Step 3. Get regular dental cleanings, which remove many food and tobacco stains.

定期地洗牙，这能去掉许多食物和烟草的污渍。

5·Dust devils have been credited with unexpected cleanings of Mars rover solar panels.

尘埃风暴让火星探测器上的太阳能电池板异常干净。

6·Don't wait for pain to see the dentist; schedule regular checkups and cleanings once or twice a year.

不要等到痛了才去看牙医，安排一年一次或两次的定期牙检和洗牙。

7·The results show that a rare-earth concentrate with a grade of 52% can be obtained by one roughing and two cleanings.

结果表明，经一次粗选、二次精选选别，可获稀土精矿品位52％。

8·To prevent gum disease and other oral health problems, schedule regular dental cleanings and exams — generally once or twice a year.

预防牙龈疾病等口腔问题，应该定期洗牙和检查牙齿—— 一般为一年一到两次。

9·Applying mold release or silicone to the die exit area after cleaning can reduce the rate of buildup and extend the time between cleanings.

清除积料后在口模出料口使用脱模剂或者硅酮可以减轻积料程度并延长两次清除之间的时间。

10·Because the store charged 50 dollars for such cleanings, he told me, I might be better off reading the printer's manual and trying the job myself.

商店对这种清洗要收费50美元，所以，他告诉我，我最好还是看看打印机的说明书，自己试着弄更合算。