Trinitrocellulose
[医] 三硝基纤维素, 火棉
🗣️ 情景例句
I know a friend who can get us free tickets.
我认识一个可以给我们弄到免费票的朋友。
Soft fire makes sweet malt.
慢工出细活。
The albatross is the king of the gliders, the class of fliers which harness the air to their purpose, but must yield to its opposition.
信天翁是滑翔飞行的鸟类之王，它能自如地驾驭空气，但必须顺气流飞行。