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* gum (n.) 齿龈、牙龈、牙床
Ellen suffered from sore gums since last night.
Ellen自昨晚起就饱受牙龈疼痛之苦。
* suggest (v.) 提议；建议
Tony suggests that we make a list before going to the market.
Tony建议我们去巿场前先列张清单。
* decay (n.) 腐蚀、衰败、衰弱
It’s known that cavities in teeth are caused by decay.
众所周知，牙齿上的腐蚀会造成蛀牙。
* as well 也、同样地
My mother speaks English, and Japaneses as well.
我妈妈说英语，也会说日语。