Carbon subnitride
[化] 丁炔二腈
🧩 词语组成解析
🗣️ 情景例句
What's your position in the company?
你在公司任何职务？
If two men ride on a horse, one must ride behind.
两人同骑一马，必有一人在后。
Portable boiling elements that can boil small quantities of water are useful when the right voltage of electricity is available.
如果有相配的电压，可以煮少量水的便携式热水装置是有用的。