Param
[化] 氰胍
🗣️ 情景例句
We are running a special offer on this holiday.
我们在这个假期有个特价优惠。
He plays violin just for enjoyment.
他拉小提琴只是为了自娱自乐。
That doesn't sound like modern printing.
这听起来不象是现代印刷术呀。