Pentabromophenol
五溴苯酚
🗣️ 情景例句
Now we'll find out about the surprise.
现在我们可以知道是什么样的惊喜了。
I told him to stay till he comes back.
我告诉他留下来等他回来。
The Great St.Bernard Pass connects Switzerland to Italy.
圣伯纳德大山口连接着瑞士与意大利，