Microlubricant
微润滑剂
🗣️ 情景例句
couldn't you?
不是吗？
What do you want to be when you grow up?
当你长大后，你想要成为什么吗？
The boat is not safe, said Ah Fang. Let's pull it out of the water.
“这船不安全，”阿芳说，“让我们把它从水里拉出来吧。”