越南的下龙湾有着越南最美的自然景色，由数以千计的小岛和不同大小和形状石灰岩岩溶组成。

The descending dragon bay is Vietnam’s most beautiful natural attraction with thousands of isles and limestone karsts of different sizes and shapes.

youdao

该证据的一部分来源于灶神星的密度，另一部分来源于数以百计以陨石形状存在的大块岩石，地球科学家们已对这些岩石进行过研究。

Part of that evidence comes from its density and part from hundreds of chunks of rock, in the form of meteorites, that have been examined by Earth-bound scientists.

youdao

该证据的一部分来源于灶神星的密度，另一部分来源于数以百计以陨石形状存在的大块岩石。

Part of that evidence comes from its density and part from hundreds of chunks of rock, in the form of meteorites.

youdao