Gentiodextrin
龙胆糊精
🗣️ 情景例句
About eight o'clock?
差不多八点钟好吗？
What's wrong now?
现在又怎么了。
and they provided a striking demonstration of the potentialities hidden in instruments and apparatus.
并充分显示出了仪表和仪器的潜在力量。