Mesograined
中粒的
🗣️ 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。
I'd like to make an appointment with Professor Smith. Would 9:00 tomorrow be all right?
我想和史密斯教授约个会面时间。明天9点行吗？
It's about20,000 kilometres.
大约有20，000公里。