Pentaborane
n. [化]戊硼烷(用作火箭推进剂)
🗣️ 情景例句
Carl, now you know charades.
Carl，现在你知道什么是哑谜了。
The doctor said I looked pale and tired.
医生说我看起来苍白和疲倦。
But it's true. I was the only person in my office who was invited. I've written to accept the invitation.
可这是真的。我们办公室只有我受到邀请。我已经写信表示接受邀请了。