Teca
[医][=tetraethylammonium chloride]氯化四乙铵
🗣️ 情景例句
How is this meat dish prepared?
这道肉菜是怎么做的？
What's this?
这是什么？
In the beginning they used to carve Chinese characters on stones to record important dates in history.
开始时，他们常把汉字刻在石头上，记载历史上重要的日期。