| could | |
| 级别 | 第2级 |
| 音标 | [ kəd ] |
| 解释 | v.能，可能(can的过去式)；aux.v.(can的过去式)能；可以 |
| 英英释义 | past simple of can, used to talk about what someone or something was able or allowed to do |
| 发音 |  |
| 例句 |
1. Could I open the window? 我可以打开窗子吗？ 2. I could wait ten minutes. 我可以等十分钟。 |
