Possibly pirates knew that the ear can be an acupuncture point, both for improved eye sight and to relieve sea-sickness.
也许还有可能是海盗们知道耳朵是一处穴位，戴耳环既可以提高视力又能缓解晕船的症状。
Measurements using objective eye sight tests showed patient's vision improved after taking the saffron pill.
用客观测量视力测试结果显示患者的视力服用后藏红花丸改善。
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