Fluted roller
[机] 沟纹辊
🧩 词语组成解析
a. 笛声的, 有凹槽的
🗣️ 情景例句
the autograph of somebody who may be famous someday.
将来有可能成名的人的亲笔签名。
Have you got that?
你明白我的意思吗？
If the feeding place was away from the sun, the straight part of the wagging dance pointed downward.
如果喂食地点向着太阳，跳舞的蜜蜂在跳摇摆舞时直线部分就一直向上。