Fluted roller
[机] 沟纹辊
🧩 词语组成解析
a. 笛声的, 有凹槽的
🗣️ 情景例句
I think aerobics is easy.
我觉得有氧运动很容易。
May I ask you to wait here for ten minutes?
请在这里稍等片刻，可以吗？
In the tree there is a bird.
树上有一只鸟。