Spinant
脊髓兴奋剂
🗣️ 情景例句
Are they open?
店开着吗？
It's not too heavy,but I don't know the exact weight.
它不是太重的，但是我不知道准确的重量。
There are eighteen floors in the building, and he lives on the fifteenth floor.
这幢大楼有18层。他住在第15层。