🗣️ 情景例句
Mr. Marker and his wife have invited me to a Christmas dinner.
马克先生和他妻子邀请我吃圣诞晚宴。
Christmas comes but once a year.
佳节良辰，机会难得。
local epidemics of this disease could be created.
就可以使这种疾病在一个地区蔓延起来。