Decaborane
[化] 癸硼烷(14)
🗣️ 情景例句
Where's the bookstore?
书店在哪？
Does John have a yellow pencil?
约翰有一支黄铅笔吗？
'A new play is coming to The Globe soon,' I said.
“一出新剧要来‘环球剧场’上演了，”我说，