Hexammine
[化] 六氨合物
🗣️ 情景例句
I have to leave. I feel terrible, but...
我得走了。真是糟糕透了， 但……
We have a lot of invitation cards, but they are all for the same date.
我们接到了许多请帖，但是上面的日期却全都是同一天。
Look! That girl has fallen off her bicycle.
看！那个女孩从自行车上摔下来了。