dental paste

• 牙膏

dental paste的用法和样例：

例句

1. I need to buy a can of tooth paste.
   我需要买一筒牙膏了。
2. The glycyrrhetic acid in tooth paste was determined by RP-HPLC.
   采用反相高效液相色谱法测定了牙膏中的甘草次酸。