Unstableness
不稳定
🗣️ 情景例句
Pete wrote us and told us.
Pete写信告诉我们的。
She succeeded in persuading her parents.
她成功地说服了父母。
Oh! She's falling off her bike. I hope she didn't hurt herself.
噢！她正从自己的自行车上跌落下来。我希望她没有摔伤。