Nitrolignin
硝化木素
🗣️ 情景例句
What business are you in?
你从事哪一行？
Go that way for two blocks,then turn left.
用那种方法为镞走2街区然后向左拐。
The opinion does not survive experience of a popular Continental camping place.
但这种说法在受人欢迎的欧洲露营场地是站不住脚的。