barrelling

英 [bæ'rəlɪŋ] 美 [bæ'rəlɪŋ]

• n. 滚磨(装桶；转桶清砂法)

英英释义

名词 barrel:

1. a tube through which a bullet travels when a gun is fired

2. a cylindrical container that holds liquids

3. a bulging cylindrical shape; hollow with flat ends

4. the quantity that a barrel (of any size) will hold

5. any of various units of capacity