Sequencable
可排序的
??? 情景例句
By the way, I'm Richard.
噢，我忘了說，我叫Richard。
What is th boarding time?
何時登機呢？
And I can't find her passport anywhere. So she must have taken that too.
而且我在哪都找不到她的護照，所以她一定也帶去了。