Leyden's crytals
[醫] 萊登氏晶體(氣喘晶體)
??? 情景例句
What's the problem?
什么問題？
That's awful.
那太可怕了。
Byrd now knew that he would be able to reach the South Pole which was 300 miles away, for there were no more mountains in sight.
伯德這時知道他能夠順利飛抵300英里以外的南極了，因為前面再沒有山了。