Preventologist
[医] 牙病预防学家
🗣️ 情景例句
I'm Martha Vann.
我叫Martha Vann。
Is this a live program?
这是不是现场广播节目？
The smoke from the fire rose and found its way outside and the light danced over the roof of the cave.
缕缕青烟从火中升起，飘出洞外，火光在洞顶上闪耀。