Allylurea
烯丙基脲
🗣️ 情景例句
Come in please, and take a seat.
请进。请坐。
Can I have a word with you?
我能跟你谈一谈吗？
The slope averages about 1 in 30, but contains steep,
坡度平均约为1/30，但其中包括陡峭的，