Magnane
镁烷
🗣️ 情景例句
I'd better hit the books.
我最好勤奋学习。
We offer a life-time guarantee.
我们提供永久保证。
Litter baskets have been placed under the trees, but people still throw their rubbish everywhere.
树下都已设置了废物筐，但是人们仍到处扔垃圾。