Indyl
(=indolyl)吲哚基, 氮(杂)茚基
🗣️ 情景例句
It is.
是的。
If I had had time,I would have called you.
如果我有时间，我就打电话给你了。
It was the idea of supporting a craft on a 'pad',or cushion, of low-pressure air, ringed with a curtain of higher pressure air.
用一个气垫来支撑船体，低压空或软垫，软垫周围用高压空气环绕。