Staurane
十二氢戊搭烯并戊搭烯
🗣️ 情景例句
A good medicine tastes bitter.
良药苦口，忠言逆耳。
Take care of yourself and don't forget to keep in touch.
多多保重。别忘了保持联系。
Officials from Greenwich Observatory have the clock checked twice a day.
格林尼治天文台的官员们每天两次派人矫正此钟。