Achroic
无色的
🗣️ 情景例句
OK?
好吗？
The problem has been bothering me for weeks.
那个问题已经困扰了我几个星期。
Now move the hand to and fro and around but not up and down.
然后把手前后左右以及旋转摆动，但不要上下摆动。