Many groups can be added by nucleophilic substitution on a diazonium salt.许多基团可通过向得自胶的重氮盐作亲核取代而加以导入.Most direct substitution of groups bound to an aromatic nucleus is limited to diazonium salts.大多数连于芳核能被直接取代的基团仅限于重氮盐....
母亲捏紧了谷物饼,饼干碎成了粉状的细屑.She squeezed the corn puffs and they crumbled into floury dust.对造纸供应中的细屑, 三氧化钙, 二氧化钛, 以及高岭土,具有优越的保湿能力.Superior wet - end retention of fines , CaCO 3, TiO 2, and kaolin clay in papermaking furnishes....
他曾一度考察过在新斯科舍附近购买岛屿。He had once looked into buying his own island off Nova Scotia.实地考察时要穿过一条水流湍急的河。The field trip involved crossing a raging torrent.这艘船是为考察北极水域而特意设计的.This ship was designed expressly for exploring the Arc...
The President authorizes the judicious use of military force to protect our citizens.总统授权可以明智而审慎地动用军队保护我们的公民。The dictionary authorizes the two spellings'traveler'and'traveller '.字典裁定 traveler 和travell...
He tightened a few slack screws.他旋紧了几只松动的螺丝。Stefano's grip tightened and his tone became colder.斯蒂芬诺的手抓得更紧了，语气也更冷了。His index finger tightened on the trigger but then relaxed again.他的食指扣住扳机, 然后又松开了。The cables tighten...
...the jigsaw of high-level diplomacy.高层外交的错综复杂The Swedes had sought his freedom through quiet diplomacy.瑞典人通过秘密的外交手段来争取他的自由。Trying to get the divorced couple to agree calls for a great deal of diplomacy.要使这对离婚夫妇达成一致需要处事...
说好话如口吐莲花, 说坏话如口吐毒蛇.Kind words are like pure lotus, mean words are like poisonous snakes.说坏话的人和做坏事的人,区别仅在于机会.An evil speaker differs from an evil - doer only in opportunity.[新译]你使你的口乱说坏话, 使你的舌头编造谎言.KJV Thou givest thy mou...