Theophyline
n. [化]茶碱(用作利尿药、心脏兴奋药和平滑肌松弛药)
🗣️ 情景例句
Stay ... stay.
再待一会儿……再一会儿。
How old are you?
你多大了？
His answer was to lift the vessel out of the water by making it ride on a cushion of air,
他的解决办法是把船体提离水面，让船在一个气垫上行驶，