他在书桌前徒劳地坐了一上午之后便放弃了。After a fruitless morning sitting at his desk he had given up.假装系统完美无疵是徒劳的。It would be idle to pretend the system is perfect.罪犯们徒劳地躲闪着探照灯光。The criminals vainly sought concealment from the searchlight....
氯碱 行业普遍采用纯碱或小苏打作盐水精制除钙剂,文章分析了其除钙原理与不足.In general, it may apply soda as an agent for removing calcium in the chlorine - alkali industry.高离子澄清剂G409对糖浆有良好的脱色和除钙的效果.High ionic clarificant G 409 has good results on color remo...
Adults need to live their own lives and that's difficult with children.大人需要过他们自己的生活，但有了孩子就很难做到了。The doses I suggested for adults could be halved or quartered.我之前建议成人服用的剂量可以降到1/2或者1/4。They had liquor for the adults a...