Plaese Mark Reading and Carbon add "C". after Item No.
订货时请在编号后注明精度，碳钢加“C”。
While reading, I often make a mark where I have any questions.
读书时，我经常会在有问题的地方做记号。
Start reading them? I think it's better to mark all of them as read because there are simply too many to read.
我想最好的方法就是给这些文章做上已阅读的标记,因为你有太多的文章需要阅读了。
Mark the line you started reading
标记一下你开始读的那行；
He was reading a book that(which) was written by Mark Twain.
他在读一本马克吐温写的书。
I enjoy reading Mark Twain's autobiography.
我喜欢读马克•吐温的自传。
Mark where you have stopped in your reading.
注意你读到哪儿啦。
Always, always, always mark up your reading.
阅读时切记，切记，切记要标记。
Another examiner reading the same answer might give it a much higher mark.
另一个主考人看同一份答卷可能会给高得多的分数；
The emergence of electronic reading rooms is an important mark of modern library.
电子阅览室的出现是现代图书馆的一个重要标志。
I'm fond of reading, Mark Twain is my favorite writer. What about you?
我喜欢看书。马克·吐温是我最喜欢的作家。你呢？
I'm fond of reading. Mark Twain is my favorite writer. What about you?
我喜欢看书。马克？吐温是我最喜欢的作家。你呢？
When you are reading, mark each new word with a red line.
读书的时候，用红线标一下生词。
He was reading a book which was written by Mark Twain.
他在读一本马克·吐温写的书。
He was reading a book which was written by Mark Twain.
他在读一本马克·吐温写的书。
应用推荐