我用牙签。

I use a toothpick.

youdao

“接着，用一根牙签沾上柠檬汁，像这样，”我说，“然后在白纸上写下一条秘密的消息。”

“Next, you dip a toothpick into the lemon juice, like this, ” I said. “And you write a secret message on plain white paper.”

youdao

我吃完饭后总是用牙签的。

I always use a toothpick after eating.

youdao