The tone is teacherly, unflappable, optimistic ( Benjamin DeMott )这种腔调是教师似的 、 镇定 、 乐观的 ( 本杰明德莫特 )You will feel more buoyant and optimistic about the future than you have for a long time.对于未来，你的感觉会比过去很长一段时间里更加自信和乐观。Introv...
A rapid detection meter for bacterial count based on ATP ( adenosine triphosphate ) bioluminescence technology was designed.针对细菌总数现场检测需求,设计了一种基于ATP ( 三磷酸腺苷 ) 生物发光技术的细菌总数现场快速检测仪....
她对自己的成就缄口不言。She is so reticent about her achievements.希尔斯登缄口不提任何可能使人们对他的动机产生怀疑的话题。Hillsden scrupulously avoided any topic likely to arouse suspicion as to his motives.我们缓缓地往前走,动作呆板, 手足僵硬,缄口不语.We drifted forward with rigi...
All spacemen must be able to bear acceleration.所有太空人都应能承受加速度.She said with a straight face she saw green spacemen in the back yard.她面无表情地说她在后院看到绿色外星人.There are five spacemen in the spaceship.宇宙飞船里有五个飞行员....
Joseph watched a shady-looking bunch playing cards aboard a Mississippi steamer.约瑟夫看到一群可疑的人在密西西比河的一艘轮船上打牌。He reported that two suspicious-looking characters had approached Callendar.他报告说两个形迹可疑的人曾跟卡伦德接触过。He had all the qu...
Objective To determine total flavonoid content in Eugenia caryophyllata Thunb.目的研究可见光及紫外分光光度法测定丁香总黄酮含量的方法.OBJECTIVE To optimize conditions for extracting flavonoid compounds from Sophora alopecuroides L.目的优化苦豆子中黄酮的最佳提取工艺...