canker sore造句

1、Canker Cover "seals" and isolates the canker sore from contact with the tongue, teeth, and food.
CankerCover将溃疡“密封”和孤立，避免接触舌头，牙齿和食物。

2、No other canker sore treatment products protect so thoroughly for eight hours.
没有其它哪个口腔溃疡的治疗产品能如果彻底保护8个小时。

3、There may be only one canker sore or several and they often return.
常常只有一个或几个溃疡处，而且经常复发。