Nonretractable
不能伸缩的, 不能缩进的
🗣️ 情景例句
And take measures to reinforce them. Please set your mind at rest.
并采取措施加固。请放心好了。
Are you sure?
你确信吗？
That's OK.We really need the material.
没关系，我们急着要这些原料。