Spiro[4.4]nonane
[化] 螺[4.4]壬烷
🗣️ 情景例句
Can you tell me what time you close?
您能告诉我关门的时间吗？
Call me tomorrow if you have time.
明天要有时间就给我打个电话。
The seed was sprayed over the ground in huge quantities by aeroplanes.
飞机把这种草籽大量地撒播在地上。