presence的例句（presence在句子中的用法）

• Enucleated cells are prepared by removing cell nuclei in the presence of the drug, cytochalasin B. 无核细胞是通过药物 、 细胞松驰素B把细胞核去掉制备的.
• We fought our way there, and our continuing presence rested on contractual rights. 我们是打进去的, 而且我们留驻那里是依据协议上所规定的权力.
• His personal presence is unimpressive and his speech contemptible. 他气貌不扬、言语粗俗.
• The boy felt constraint in her presence. 那男孩在她面前感到局促不安.
• He felt constraint in her presence. 他在她面前显得局促不安.
• I suppose your presence here today is not entirely coincidental . 我认为你今天来这里不完全是碰巧。
• Many enzymes will not work without the presence of an additional nonprotein substance called a cofactor. 许多酶如不外加一种叫做辅助因子的非蛋白质物质就不能工作.
• Burne - Wilke's good claret and Pug's presence in time helped matter. 勃纳 -- 沃克的上好的红葡萄酒和帕格的在场,终于使情况有所好转.
• The presence of Chiron signals the possibility of being shamed for your intensely passionate nature. 凯龙星的存在意味着你可能羞于你热情地去追求异性.
• The butler gave a little cough to announce his presence. 男管家轻轻咳了一下,示意他已到场.
• The Brigadier requests your presence. 旅长请你去一趟.
• Local conditions, especially the presence or absence of oxygen, affect Biodegradability. 地方的情况(特别是有氧或无氧)影响着生物降解.
• Even very young premature babies respond to their mother's presence. 即使是很小的早产儿也会对母亲的出现做出反应。
• She came in to apprise, apprize me that my presence was required. 她进来通知我需要我出面.
• She came in to apprise me that my presence was required. 她进来通知我(有事)需要我出面.
• Deep mixing south of Cape Palliser indicated the presence of an anticyclonic eddy. 帕利瑟(CapePalliser)南部的深层混合说明,该地区有一股反气旋涡旋.
• In the presence of ethanonitrile and glycol, anisole reacts with ammonium ceric nitrate to form o - nitroanisole. 在乙腈、聚乙二醇存在下, 用苯甲醚与硝酸铈铵反应合成了邻硝基苯甲醚.
• In the presence of acetic acid, p - anisidine reacts with aldehydes producing a yellowish color. 在乙酸存在下, p - 茴香胺与醛类反应产生黄色.
• Ddaps deoxypentose and protein amino acid in the presence of similar, asas acid - base and alkalescence base. 两性暗地活性剂的不合子布局和蛋白质洋的氨基酸近似, 同时活命着碱性基和碱性基.
• Even the most boring meeting was enlivened by Dan's presence. 即使是最无聊的会议，只要丹一出现，也会变得有趣起来。