Helide
氦化物(假想物)
?? 擴展釋義
【醫】 氦化物
??? 情景例句
There's so many things to talk about.
有許多事情需要討論。
Which one do you prefer?
你比較喜歡哪一個？
Who was first? Who was second? Who was third?
誰是第一？誰是第二？誰是第三？