用法:
1 (pl unchanged or cls 复数或不变或作cls) centilitre:
75 cl 75厘升.

用法:
2 class:
two 2nd cl tickets 两张二等票.

• ratfink
• rather 1
• rather than
• ratification
• ratify
• rating
• ratio
• ratiocination
• ration 1
• rational
• rationale
• rationalism
• rationalist
• rationalistic
• rationality
• rationalization, rationalisation
• rationalize, rationalise
• rationally
• ratline (also ratlin)
• rats
• rattan
• rat-tat
• ratter
• rattle 1
• rattlesnake (also US infml 美式口语作 rattler / 5rAtlE(r); `rAtlL/)