adj.隔夜的

He is seventy if he is a day old. 他該有七十歲了。

The piglet is one day old and crippled. 這只殘疾的小豬剛出生一天。

The researchers injected the lectins into eighteen day old embryos. 研究員將這個(gè)血凝素注射到有十八天的晶胚里。

One day Old Stony Phiz set out on a visit to the valley where he was bor. 有一天，老石面出發(fā)了來到他出生的峽谷來訪問。

A primary culture of myoblasts may be prepared by excising skeletal muscle tissue from 10to 30 day old rat embryos. 制備成肌細(xì)胞的初級(jí)培養(yǎng)物，可以將10-30天的大鼠胚胎骨骼肌組織剪切下來。