Icrf
国际天球参考架
🗣️ 情景例句
Are there any tours for the Grand Canyon?
有到大峡谷的旅游团吗？
We prepared a picnic lunch and drove down by the river.
我们准备了野餐午餐并沿河边向下开车。
as different as arsenic is from strychnine,
就像砒霜不同于马钱子碱一样。