| 负 |
fù yā | suction / negative pressure |
| 负 |
fù | to bear / to carry (on one's back) / to turn one's back on / to be defeated / negative (math. etc) |
| 压 |
yā | to press / to push down / to keep under (control) / pressure |
| 压 |
yà | used in 压根儿 / used in 压马路 / used in 压板 |