—马里兰州巴尔的摩国家牙科博物馆的展品中有华盛顿的下半副假牙，用金子、象牙、铅还有人和动物的牙齿制成。

The National Museum of Dentistry in Baltimore, Md., has on display one of Washington's lower dentures—made from gold, ivory and lead, as well as human and animal teeth.

youdao

你不需要担心那象牙之前的钥匙，因为你如果你要进博物馆，你必须拿到钥匙，而这扇门就是博物馆的闸门机制。

There's no worry about collecting the tusk before the key, because the door to the museum is the gating mechanism.

youdao

你不需要担心那象牙之前的钥匙，因为你如果你要进博物馆，你必须拿到钥匙，而这扇门就是博物馆的闸门机制。

There's no worry about collecting the tusk before the key, because the door to the museum is the gating mechanism.

youdao