r______ n.the act of removing or reducing pain, anxiety,etc
举一反三
- 设矩阵Am×n的秩R______ =r,Pm×m<br/>, Qn×n是可逆矩阵,则R______ =______
- noun, state of being free from suffering,pain,or anxiety
- What are used to deal with pain when removing the tooth?拔牙的时候怎么应付疼痛？
- a substance used in treating disease or relieving pain; the act or process of treating a person or disease with medicine ____.
- Courageous people think quickly and act without hesitation. A: complaint B: consideration C: delay D: anxiety