Nispan
镍铬钛恒弹性合金
🗣️ 情景例句
Remember my apple pie on Thanksgiving?
记得在感恩节我做的苹果派吗？
Every door may be shut but death's door.
除了死门外，每门都可关。
No, not any more. It used to be free but now you have to pay to get in.
不，不再免费了。过去是免费，可现在得付钱才能进去呢。