单词：ricinus oil
ricinus oil的用法和样例：
例句
- Castor oil is used for medicine.蓖麻油可作药用。
- One was filled with kerosene, one with castor oil, and one with vinegar.一只瓶子装满煤油，一只瓶子装满蓖麻油，一只瓶子装满醋。
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