hydroxyl是什么意思？

Key compounds under review included vitamins, antioxidants , alpha - hydroxyl acids, moisturizers, pentapeptides and botanicals.主要成分包括:维生素 、 抗氧化剂 、 果酸 、 湿润剂 、 胸腺五肽以及植物制剂.In these methods, the halogenation of compounds co...

hydroxyl的音标：hydroxyl的英式发音音标为：[haɪ'drɒksɪl]hydroxyl的美式发音音标为：[haɪ'drɒksɪl]...

It will be more susceptible to attack by hydroxyl ion.它更容易被羟基离子所作用.Both the free hydroxyl groups readily undergo esterification.两个自由羟基,都容易酯化.The free hydroxyl ion is involved in a further reaction with the silica network...

He will shortly become the fulcrum of the England team...他不久就会成为英格兰队的支柱。a fulcrum bearing支点承座, 刀口承The decision is the strategic fulcrum of the Budget.这一决定是预算案的战略支点。He will shortly become the fulcrum of the England team.他...

eructated的音标：...

barcarolle的音标：barcarolle的英式发音音标为：[bɑ:kə'rəʊl]barcarolle的美式发音音标为：[bɑkə'roʊl]...

n.宏观状态...

abloom的音标：abloom的英式发音音标为：[ə'blu:m]abloom的美式发音音标为：[ə'blum]...

adj.彻头彻尾的，完全的，臭名昭著...

n.黑雁...

（伦敦）金匠公会the Worshipful Company of Goldsmiths金匠的罪状,毫无疑问是肯定的了.The guilt of the goldsmith was proved beyond a doubt.过了90天后, 金匠果然如他所说的带着王冠来了.Ninety days later, true to his word, the goldsmith brought the crown....

n.外唇，唇状边缘(labrum的复数)，（尤指昆虫的）上唇( labrum的名词复数 )...

“头领”的英语可以翻译为：header，headman ...

adj.线状的...

mendacity的复数形式为：mendacities...

大人需要过他们自己的生活，但有了孩子就很难做到了。Adults need to live their own lives and that's difficult with children.这位大人凝视的目光离开火苗，与上校的目光相遇。The Monsignor turned his gaze from the flames to meet the Colonel's.大人，我想请您施以大惠。Your Grace,...

“胸椎”的英语可以翻译为：[心理] thoracic vertebra，vertebra thoracalis ...

参观酒窖前，游客们先观看了有声的视频介绍。Visitors are shown an audio-visual presen-tation before touring the cellars.我们近60%的订单来自于回头客和熟人介绍。Nearly 60% of our bookings come from repeat business and personal recommendation.“请原谅我礼数不周，”她平静地说。“我忘了...