Nilo
镍铬低膨胀系数合金
✅ 同义词
🗣️ 情景例句
I hope that someday maybe you'll be able to visit my family in Beijing.
我希望将来有一天，你可以来北京到我家里作客。
This is a record player.
这是一台电唱机。
This note is only a reminder.
谨此提请注意。