Salsima
硅铝硅镁层
🗣️ 情景例句
Don't worry.
别愁。
Jeff will lose face if his friend fails to work hard.
杰夫因他的朋友不肯勤奋工作而丢了面子。
hold the string so that the weight nearly touches the ground.
让重物几乎接触地面。