Plioweld
橡胶(与)金属结合法
🗣️ 情景例句
Mr. Stewart …
Stewart先生……
My brother took lessons on the trumpet for nearly ten years.
我的兄弟有将近10年的时间听小号的课了。
It is our satellite. It is quite near us in space.
它是我们的卫星。它离我们相当近，仅38万公里远。