单词：lock-in oscillator
单词：lock-in oscillator 相关文章
841 、 埋头铆钉 countersinkheadrivet 842 、 埋头锥孔 countersink 843 、 埋头螺栓 countersinkheadbolt 844 、 埋头螺丝 countersinkheadscrew 845 、 埋头钻 countersinkdrill 846 、
英文名句短语
Keeping Time With Quartz Most people know that wrist watches commonly contain quartz. In fact, if you wear a watch, chances are its a quartz watch, since most watches is made today use quartz. But, you may not know what quartz has to do with keeping
英语听力文摘 English Digest
A: I need to speak with the manager right away. B: The manager is not here right now. May I take a message? A: Our key doesnt seem to be working in our lock. B: How many times have you used this key in the lock? A: We have already used this key succe
地道英语对话-租房
A: Hi, I need to speak with the manager, please. B: Yes, this is the manager. How may I help you this morning? A: We are having problems getting into our apartment. B: Is this the first time that you have tried this key since I gave it to you? A: Yes
地道英语对话-租房
A: Good morning. Could I speak with the manager, please? B: I am the assistant manager. Is there something I can help you with? A: The key you gave us to our apartment doesnt seem to be working. B: Did this key work okay for you before? A: We were us
地道英语对话-租房
今天我们要学的短语是lock horns. Lock is spelled l-o-c-k, lock; and horns, h-o-r-n-s, horns; lock horns. Lock是锁上， horn是动物头上的角，lock horns原指动物用角互顶打架，引伸为激烈争论，杠上了。India and th
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