这是两只眼睛
this is two───这是两个
is two───不相合
is this───是这个吗
This is───这是;林晓培的一首著名歌曲名
she is two───她两岁了
it is two───是两个
he is two───他两岁
is this your───这是你的吗
this is how───这是怎么回事
This is why regular eye check ups every two years over the age of 40 are very important.───这就是为什么定期眼睛检查,每二年, 40岁以上的都是非常重要的。
is usually asked by one of a couple, with always a swivel of the eye to his or her other half, so really two people are asking this question.───发问者往往是出双入对夫妇,提问时他们还会撇给另一半一个眼神。所以说,这种问题就是两个人才提出来的。
This ensures that only one of the two images being shown is seen by each eye and forces the brain to turn them into a moving 3d image.───这可以保证每只眼睛只能看见两幅图片中的一幅,然后强迫大脑把他们转为一个移动的3d图片。