Sier
n. 青岛姒儿（中国青岛贸易有限公司名）
🗣️ 情景例句
I'm thirty.
我三十岁。
If you expect to enter the university,you should apply now.
如果你期望进入大学，你现在应该申请。
The most frightening thing of all was that not a sound could be heard.
最令人害怕的是到处没有一点声音。