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...
这些是极危险的工作，差不多准保能毁了你的事业。These are kamikaze jobs, the ones almost guaranteed to end your career.由于存在着危险的下层逆流，在大部分海岸线附近游泳都不安全。Dangerous undertows make swimming unsafe along most of the coastline.事后再翻出当初谁说了什么当然是很危险的。To ascri...