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来源:雅诚德英语网
Recently, a zinc gel applied nasally has been shown to greatly reduce the duration of colds.
最近,一种应用于鼻腔的锌凝胶被证明可以大大缩短感冒的持续时间。
Recently, a zinc gel applied nasally has been shown to greatly reduce the duration of colds.
最近,一种应用于鼻腔的锌凝胶被证明可以大大缩短感冒的持续时间。