重点讲解:
1. at once 同时;一起;
I dreamed up a plan to solve both problems at once.
我想出了一个方案,可以同时解决两个问题 。
2. or so …左右;…上下;
He did buy me those daffodils a week or so ago.
他确实在大约一个星期前给我买了那些水仙花 。
3. go on 进行;发生;
They are too young to understand what is going on.
他们还太小,不明白发生了什么事 。
4. regardless of 不顾;不管;不论;
He went ahead and did it, regardless of the consequences.
他说干就干了,没有考虑后果 。
adj. 可见的,看得见的
n. 可见物