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- The synthesis methods of melatonin,related tryptamine, tryptamine derivatives and substituted indoles are discussed. 从人工合成的角度综述了美乐托宁及有关化合物色胺、色胺衍生物及吲哚衍生物的制备。
- The coach substituted Smith for Jones. 教练让史密斯上场,换下了琼斯。
- Tom substituted for the injured player. 汤姆替换了那个受伤的运动员。
- I heard it on the 7 o'clock news. 我在七点钟的新闻报道中听到了这则消息。
- Please call me up at 7 o'clock tomorrow morning. 请在明天早晨七点叫醒我。
- Subtract 3 from 7 and you have 4. 七减三得四。
- There were 7 of them exclusive of the guide. 她们一行共七人,不包括向导。
- The understudy was substituted when the leading actor fell ill. 主角演员患病,由替角代替演出。
- The cast must all be on (the) set by 7 pm. 所有演员必须在下午7时到达拍摄场地。
- They started at 7 o'clock prompt. 他们在七点钟准时出发。
- The 7 am express to Bristol will be taken off next month. 上午7时开往布里斯托尔的快车将於下月停驶。
- A striker was substituted for a midfield player in the last half-hour of play. 在比赛的最后30分钟里,一个中场运动员被一个强攻手替换了下去。
- We substituted a red ball for blue to see if the baby would notice. 我们用红皮球换下了蓝皮球,看这婴儿会不会发觉。
- This channel comes on the air every morning at 7 am. 这个频道每天早晨7点钟开始播放。
- Home-made parts are being substituted for imported ones. 国产零件取代进口零件。
- Would you please knock me up at 7 o'clock? 请7点钟敲门把我叫醒行吗?
- The union demands a 7% wage hike. 工会要求提高工资7%25.
- Is indole second acerbity what is main effect? 吲哚乙酸主要作用是什么?
- She substituted margarine for butter. 她用人造的奶油代替黄油。
- Indole consists in washing oil of coal tar. 煤焦油洗油(以下简称洗油)中含有吲哚。