🧩 词语组成解析
[化] 硅宾; 硅烯; 烷基亚甲硅基
🗣️ 情景例句
Thank you.
谢谢 。
This is Tom. He's my classmate.
这是汤姆。我的同学。
Our next obstacle was a shallow pool of water about half a mile across.
下一个障碍是一片约半英里宽的浅水塘。