perfectly clean

Upper middle-class homes . Clean empty streets and perfectly mowed lawns.

中上层 人家. 干净而空荡荡的街道和修理得相当漂亮的草坪.

Ming opening night Aiki is a rare, precious wood, which only grows in the mountains and the Summer Resort of Chengde, the wood perfectly clean, delicate jade, ivory-like appearance.

明开夜合木是一种罕见的珍贵木料，它只生长在承德山区和避暑山庄内，木质洁白无瑕，细腻如玉，外观有如象牙一样。

Is this cup for the urine sample perfectly clean?

这个装尿样的杯子是否绝对干净?

It is showed by research that its cetane value is so high that DME is perfectly suitable to be alternative fuel of diesel engine, and it is hopeful meeting the future stringent emission regulation of diesel engine because of its clean combustion.

研究表明，DME的十六烷值高，非常适合作为柴油机的代用燃料，而且它能实现洁净燃烧，有望满足未来严格的柴油机排放法规。

How does a diver achieve a perfectly clean entry?

运动员怎样才能做到干净利落地入水?

The walls must be perfectly clean before you paint them.

油漆之前必须把墙壁完全擦干净.

While ice would appear to be perfectly clean and unsuspecting, it is in fact a major breeding ground for organisms according to the Journal of the American Medical Association.

大伙肯定会大惑不解，冰块明明就是“干净”的代名词，怎么会跟“脏”扯上边呢。美国医学会杂志的一项研究表明，冰块也是微生物滋生的温床。

The wood is perfectly clean, delicate jade, known as celluloid.

其木质洁白无瑕, 细腻如玉, 被誉为假象牙.