“canker sore”的概念、定义、翻译、参考文献-科学参考

单词	canker sore
释义	canker sore [`kaŋ·kǝr ´sȯr] ^MEDICINE Small ulceration of the mucous membrane of the mouth, sometimes caused by a food allergy.
随便看	gravity classification gravity-collapse structure gravity concentration gravity conveyor gravity corer gravity dam gravity drainage gravity drainage reservoir gravity erosion gravity fault gravity feed gravity flow gravity-flow gathering system gravity-gradient attitude control gravity gradiometry gravity haulage gravity incline gravity map gravity meter gravity pendulum gravity prospecting gravity railroad gravity segregation gravity separation gravity settling chamber

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