克拉克远远地开在前面，已保持了一段足够长的安全车距，他于是放慢车速，开始定速巡航。Out in front, Clarke had built up such a sizeable safety margin that he eased the pace and started cruising.在伦敦泰晤士河上的巡航已成为一年一度的引人注目的事.Cruises on the Thames in London, have become ...
切开之后, 断面上还会有红色的丝状物.After incision, on the cross section also can have redfiliform.花冠筒内丝状物为退化雄蕊的短花丝.The thread in the corolla is the short filament of a degenerated stamen....
Tremain's novel is altogether jauntier, more various and energetic than these quotations imply.与这些引文给人的印象相比，特里曼的小说总的来说更加充满自信、富于变化，也更有活力。ROSE TREMAIN is a difficult pigeonhole.萝丝?崔梅是一位难以定性的作家....
氨基酸是弱酸和弱碱, 因此, 它们是很好的缓冲剂.Amino acids are weak acids and weak bases, therefore, they are excellent buffering agents.缓冲剂可以像烤面包的苏打粉那样使用,它们都能够使ph值保持稳定.Buffers can be used like baking soda will help keep ph stable.着重叙述了缓冲剂原理及...