| 知识点（KP） | 句酷综合英语 | 中国学生作文 |
| under | 9834.24 | 3433.18 |
| under/avp | 86.90 | 142.51 |
| 副词 under | 107.18 | 142.51 |
| under/bit | 1.05 | 0 |
| under/d | 108.16 | 142.51 |
| under/lex | 9834.24 | 3433.18 |
| under/p | 9728.57 | 3290.67 |
| under/pos | 9836.74 | 3433.18 |
| under/pp | 53.79 | 12.96 |
| 介词 under | 4762.77 | 1800.80 |
| under/ske | 0 | 12.96 |