tortoises
n.
乌龟( tortoise的名词复数 );
行动迟缓的人（或物）;
例句:
-
Unquestionable proof that...Galapagos tortoises have lived 150 years.
来自G. Stimpson
-
Very small tortoises must be given a shorter, carefully controlled hibernation.
非常小的龟龟需要短期的, 非常小心控制下的冬眠.
-
Ten tiny tortoises tried to talk to twenty timid toads.
十个瘦小的乌龟试着和二十个胆小的蟾蜍聊天.
-
Tortoises seem to preferentially put the available calcium in the plastron.
龟们似乎更喜欢把可用的钙质添加到他们的胸甲中.
-
In the dry season tortoises are able to survive for months without water.
来自BBC
-
Other projects have reintroduced tortoises, bison and falcons into their old haunts.
来自SA