The hydroperoxides are unstable compounds.氢过氧化物是不稳定的化合物.After the fall of Pitt in 1801 there was a decade of unstable government...1801年皮特倒台后，政府经历了10年的动荡。The erratic fluctuation of market prices is in consequence of unst...
15岁的丹尼从地方当局的收容所逃跑了。Fifteen-year-old Danny is on the run from a local authority home.顶住当局的压力花了很大的劲.It took great strength to resist the pressure of the authorities.警察当局的战术小组必须迅速赶上其他队伍.The police tactical unit must follow ...
You may be craving for some fresh air.你可能很想呼吸呼吸新鲜空气。a craving for chocolate非常想吃巧克力She skipped normal meals to satisfy her craving for chocolate and crisps.她不吃正餐,以便满足自己吃巧克力和炸薯片的渴望....