1. 灰色动物(如:灰鲸, 黑头鸦,斑背潜鸭等)：archegonial jacket 颈卵器套 | grayback 灰色动物(如:灰鲸, 黑头鸦,斑背潜鸭等) | non verbal 非用言语的

2. 灰色动物：gray-headed 老年的 | grayback 灰色动物 | graybeard 老人

3. 灰鲸/黑头鸦/南军的士兵：gray-scale /灰阶的/ | grayback /灰鲸/黑头鸦/南军的士兵/ | graybeard /老人/土制酒壶/

1. grayback的翻译

noun

1. a sandpiper that breeds in the Arctic and winters in the southern hemisphere

Synonym: knotgreybackCalidris canutus

2. a dowitcher with a grey back

Synonym: greybackLimnodromus griseus