之前 before; prior to; ago 五年之前 five years ago; 在她动身之前 prior to her departure; 开会之前 before the meeting; 临走之前 prior to departure; before departure; 两周之前 two weeks ago
The system of blood vessels that carries all blood received from the intestines through the liver before passing it to the general circulation is called the hepatic portal system . 携带从肠收集来的全部血液入肝(即全身循环)之前的血管系统称做肝门脉系。
We ' ll say round one was everything up till now . . 在这之前的,就算它是第一轮. .
This release also supersedes all previous updates 该版本将替代之前的所有更新。
The default is four weeks before today s date 预设值是今日日期之前的四个星期。
What do you call a law before it is passed 我们把通过之前的一项法律叫做什么?
Performance of prehospital automated defibrillation 送进医院之前的自动去纤颤操作
This is from the side before the contrast medium 这张是注射造影剂之前的侧面
Aii i wanna know is her history before the morgans 我想知道她到摩根家之前的情况
At any point before commit , we may invoke 在提交之前的任何时间,我们都可以调用
Previous attempts had isolated the cells 而之前的方法是将独立的细胞隔离起来。