Trigonids
(trigonid 的復數) 下三角座, 下三尖, 下臼齒三尖
??? 情景例句
I was when I first came to the United States.
當我剛到美國來的時候是感到有點緊張。
Are you going to have dinner at home tomorrow night?
你明天晚上在家吃晚飯嗎？
(A light year is the distance which light travels at 186,000 miles per second in one year,
一光年是光以每秒186，000英里的速度在一年內走的距離，