155362794
幼苗
共回答了13个问题采纳率:92.3% 举报
This hall is ___ than the size of that one.
选 B.three times (三倍)
I will stay another _____.
选 C.one or two days (一两天)
每秒30万公里,大约一亿五千万公里,月球的49倍大.
300000 kilometers per second,and it's about 150 million kilometers,forty-nine times as large as the moon.
1年前
10