?? 詞語組成解析
vena的復數
??? 情景例句
I'm Richard. What's your name?
我是Richard！你叫什么？
He doesn't like to talk about political matters.
他不喜歡談政治的事情。
Precautions of this sort are necessary, for it is impossible to foretell the exact nature of the difficulties which will confront the pot-holer.
作出這樣的準備是必要的，因為無法預見到洞穴探險者究竟會遇到什么性質的困難。