settle down
唐氏综合征
Down's syndrome, trisomy 21 syndrome
又称“21三体综合征”。曾用名“先天愚型”。
相关词条
break down
touch down
pace up and down
grey duck down
fill down
lug down method【环境】
strike down
Down's syndrome, trisomy 21 syndrome
又称“21三体综合征”。曾用名“先天愚型”。
settle down
break down
touch down
pace up and down
grey duck down
fill down
lug down method【环境】
strike down