| 单词 | check sth↔in |
| 释义 | ● ˌcheck sth↔ˈin 🔑 to leave bags or cases with an official to be put on a plane or train 托运（行李）◆ We checked in our luggage and went through to the departure lounge . 我们托运行李后直接进入候机室。 ➡ related noun check-inSee also check |
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