Explain why barium forms peroxide but beryllium does not.解释为什么钡能形成过氧化物而铍则不能。However the toxic properties of beryllium limit its application.然而铍的毒性限制了它的作用.Toxicity problem in manufacturing and storage might be alleviated ...
Some people can diet like crazy and not lose weight.有些人拼命节食也不能减肥。I've been told to lose weight and stop smoking.我被告知要减肥并戒烟。He is walking proof that people can lose weight quickly.他是人能迅速变瘦的活见证....
评语: 颜色:淡淡的带有微少的柠檬色泽, 且非常透彻明亮.Appearance: Pale in appearance with a slight lemon tinge , yet brilliantly bright.批评,是人们可以用极微少的代价而成为一言重于九鼎之人的一种学问.Criticism is a study by which men grow important and formidable at very small...
I felt obligated to let him read the letter...我觉得有义务让他看到这封信。Normally, the seller is obligated to prepay the ocean freight.通常情况下, 卖方有义务预付海运费.He felt obligated to help.他觉得有义务帮忙。Under a separation agreement, he was obligate...
他能够写出极具创意的作品。He was capable of writing things of startling originality.他匆匆赶写出了几篇小说。He dashed off a couple of novels.我对自己写出这么幼稚的东西感到羞愧。I'm ashamed of the babyish nonsense I write....
他呼吁自己的同胞不要丧失信心。He appealed to his countrymen not to lose heart.撕裂的肌肉会收缩，丧失原来的力量、结构和紧实度。Torn muscles retract, and lose strength, structure, and tightness.这艘船上的船员现在都已精疲力竭，彻底丧失了信心。The ship's crew were now exhausted and...