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- Calix[4]arenes bearing ester pendants in the lower rim were prepared by a convenient method using the more economical and less toxic ethyl chloroacetate/alkali metal iodide as an alkylating reagent. 采用更为经济和毒性较小的氯乙酸乙酯-碱金属碘化物体系作烷基化试剂;方便地制得了下缘带有酯基基团的杯[4]芳烃.
- It seems so absurd to bear malice after all that. 经过这一切之后还抱有怨恨情绪是很荒谬的。
- He whipped up a pistol and shot at the black bear. 他急忙抓起手枪，向那头黑熊射击。
- A salt or an ester of boric acid. 硼酸盐一种硼酸盐或硼酸酯
- I can't bear having a cat in the house. 家中养猫我受不了。
- I can't bear young people casting away their youth. 我无法忍受年轻人虚掷青春。
- It was more than flesh and blood could bear. 这是血肉之躯无法忍受的。
- The experimental results bear out our supposition. 实验结果证实了我们的假设。
- The nurse will tell you when to bear down. 护士会告诉你分娩过程中什么时候该用力。
- Surely there is a limit to what one can bear. 人的忍耐肯定是有限度的。
- I hope you will bear out what I tell them. 我希望你能证明我和他们讲的情况。
- The hunter stalked the bear through the woods. 那个猎人穿过树林，悄悄走近熊。
- How can you bear to read such pap! 这样无聊的读物你怎能看得下去！
- I have to bear with his bad habit. 我不得不忍受他的坏习惯。
- I can't bear to see him treated like that. 我不忍见到他受到那样的对待。
- I can't bear the harshness of the noise. 我受不了这些刺耳的噪音。
- A Convenient Approach of Preparation of Calix[4]arenes Bearing Ester Pendants 一种制备带有酯基基团杯[4]芳烃的简便方法
- You got it,"a smiling Fischer tells Eli. 你明白,"一个微笑菲舍尔告诉艾力。
- How does your news bear on this case? 你的新闻与这一案子有何关系？
- Fischer, (2) Dictyophora multicolor Berk. Fischer;(2)杂色竹荪Dictyophora multicolor Berk.
