| 知识点（KP） | 南京大学202x | 美国英语新闻 |
| under | 4897.22 | 6982.44 |
| under/avp | 77.52 | 237.42 |
| 副词 under | 94.37 | 302.14 |
| under/d | 94.37 | 309.15 |
| under/lex | 4897.22 | 6982.44 |
| under/p | 4809.59 | 6680.12 |
| under/pos | 4903.96 | 6989.27 |
| under/pp | 30.33 | 86.56 |
| 介词 under | 2430.07 | 3129.56 |
| under/ske | 23.59 | 2.38 |