[医] 一-二-三(牙科用局部麻醉剂);
例句:
Let us count; one two three.
让我们一起来数一数: 一、二、三.
One, two, three, four, five, five pencils.
一, 二, 三, 四, 五, 五支铅笔.
One two three four two two three four, the health can't encore!
二二三四 、 健康无法再来一次!