Cercocyst
小似囊尾蚴
🗣️ 情景例句
Yes, sir.
是的 ，先生。
Would you please take a message?
请你代我留话好吗？
If they knew how difficult it was to drill through the hard rock, they would lose heart.
如果他们知道了钻透那坚硬的岩石有多么困难，他们会丧失信心的。