Pentanitrocellulose
五硝基纤维素
🗣️ 情景例句
A guarantor is responsible for the loan
担保人要对贷款负责
There's a chance he won't be able to be home for Christmas.
他不能回家过圣诞节有偶然性。
Sorry! I won't do it again.
对不起！我不会再这样了。