Hexammine
[化] 六氨合物
🗣️ 情景例句
How much do stamps cost?
邮票多少钱？
Isn't your wife's name Ethel?
尊夫人的名字是不是叫艾雪儿？
On arriving in England, they were taken to the Crystal Palace by train.
一到英国，火车就把他们送到了水晶宫。