例句與造句

1. Eros is one of the planetoids which passes near the earth every now and then .
   愛神星是一個(gè)時(shí)常靠近地球的小行星。
2. There is a maximum size that mountains can attain that gets smaller as the planetoid gets more massive
   （山體能達(dá)到的高度是有限度的，而且小行星引力越大，山體能達(dá)到的高度就越低。 ）
3. Solar system ' s main member includes : sun ( star ) , nine planets ( including earth ) , innumerable planetoids , multitudinous satellite ( including moon ) , but also has the comet , the meteor as well as the massive dust matter and the thin gaseous state matter
   太陽系的主要成員有：太陽（恒星） 、九大行星（包括地球） 、無數(shù)小行星、眾多衛(wèi)星（包括月亮） ，還有彗星、流星以及大量塵埃物質(zhì)和稀薄的氣態(tài)物質(zhì)。
4. It's difficult to find planetoid in a sentence. 用planetoid造句挺難的