内存扩充卡是计算机很有用的附件。The memory expansion cards are useful adjuncts to the computer.这个系统内存 256 兆字节，可扩充到 2 千兆字节。The system has 256 MB RAM, expandable to 2GB.他把他的短篇小说扩充成一本书.He expanded his short story into a book....
It perplexed him because he was tackling it the wrong way.由于处理不当，这个问题令他大伤脑筋。They were fearful of tackling him.他们害怕与他打交道.Basic skills include swimming, dribbling, passing, marking, tackling , throwing, catching and shooti...