Multidiameter
阶梯轴的, 多径的
🗣️ 情景例句
We are going to celebrate all weekend.
我们整个周末都要进行庆祝。
He has been to America.
他去过美国。[曾经有过的经验]
I'm afraid that Jim will miss a lot of his lessons.
恐怕这么一来，吉姆要缺很多课了。