至少改变两周。
Do this step for two weeks, or longer if you like.
此步骤持续进行两周，如果你喜欢可以延长时间。
Sometimes I can go out and draw for one or two weeks.
有时我可以出去画一个星期或两个星期。
We can only live for about one or two weeks without food.
没有食物我们只能活大约一两个星期。
The mission is organized for two weeks, once or twice a year.
援助活动为期两周，每年举办一到两次。
We can live without food for only about one or two weeks.
没有食物我们只能存活大约一或两个星期。
We give 5% discount or one week, 10% for two weeks and over.
住一周我们给5%的折扣，两周和两周以上给10%的折扣。
Maybe a bit too much, thinking it would be one or two weeks.
也许有点乐观过头了，认为需要一两个星期。
Suggest two or three days at home per week as a trial for two weeks.
建议以每周休两三天作为试验，再进展到休息两周。
Rats were given garlic oil or corn oil every other day for two weeks.
在两周内每隔几天给老鼠进食大蒜油或谷物油。
Normally applicants can get an interview within one or two weeks.
通常，签证申请人可在一两周内就获面谈。
But the only choice my mother gave me was to go for two weeks or all summer.
但是我母亲给我的唯一选择是去那里住两个星期或者整个夏天。
You can not expect great improvement in oral English within one or two weeks.
你不能指望一两个星期内就能大大提高英语口语水平。
Banks can still take two or three weeks to clear a cheque.
银行还要两三周的时间才能兑现支票。
There they linger for two or three weeks, maybe four.
它们在那里消磨两、三个星期，或四个星期。
At least, hold off for a month or two or maybe even a few weeks.
至少，再等一两个月，也许就等上几个星期。
Start a home-related project or move: May 24 plus two weeks.
开始计划家庭方面的事务或变动：5月24日及接下来的两个星期。
I think I [waited] two or three weeks.
我想我等了两三周。
We are going to see curl in space in two or three weeks. Yes?
两三周后我们会讲到空间上的旋度？
So only 14% of Americans will take a vacation two weeks or longer this summer.
所以只有14%的美国人在这个夏天享用了两个星期或更长的假期。
Within two or three weeks hatched into larvae.
这些卵在2 ~3周内会孵化成幼贝。
Attitude is everything. Tell yourself daily "I can do it." it is possible to speak English in less than two or three weeks.
态度就是一切。每天跟自己说：“我能做到。”，那么不到两、三个星期，你就可以张口说英语。
Aunt Jane usually visits us for two or three weeks in the spring.
简姑妈通常每年春天到我们家住上两三个星期。
After that, increase your distance a quarter or half mile every two weeks or so.
以后，每二星期左右增加四分之一或二分之一英里的距离。
Uncle usually visits us for two or three weeks in the spring.
叔父通常在春季来我家住两、三个星期。
Perhaps two or three weeks, certainly not more.
也许两三个星期，肯定不会再久了。
Planting them every two or three weeks would provide a continuous harvest into the fall.
只种上两、三个星期就可在够秋天不停的收获的了。
It's hard to tell exactly... two or three weeks, perhaps.
这可就难说了……或许两三个星期。
It's hard to tell exactly... two or three weeks, perhaps.
这可就难说了……或许两三个星期。
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