Nitrocellulose
n. 硝化纤维\\n[化] 硝酸纤维素
✅ 同义词
🗣️ 情景例句
Gates close at 5pm sharp.
大门 5 点正关闭。
How old do you have to be to vote in the national elections?
你要多大才能在大选中投票？
On her way home she bought a new pen at a shop.
回家路上，她在一家商店买了一支新钢笔。