The solution is degassed by alternately freezing, evacuating and thawing.通过交替的冻结 、 抽空和溶化来使溶液除气.The troops were severely mauled and lost a quarter of their strength before evacuating the island.部队遭到重创，从岛上撤退前损失了四分之一的兵力。The...
The troops were severely mauled and lost a quarter of their strength before evacuating the island.部队遭到重创，从岛上撤退前损失了四分之一的兵力。The solution is degassed by alternately freezing, evacuating and thawing.通过交替的冻结 、 抽空和溶化来使溶液除气.Fir...
We splurged on Bohemian glass for gifts, and for ourselves.我们花了很多钱买波希米亚玻璃制品送人和自用。She fancies herself a bohemian.她自以为是放荡不羁的艺术家。I am a bohemian. I have no roots.我生活放荡不羁，漂泊不定。...