🗣️ 情景例句
before the guests arrive.
在客人到达之前。
When I slept, he was out.
当我睡了时候，他外出了。
But, in contrast, it is only in modern times that Galileo has become a problem child for historians of science.
但是相比之下，只是在现代对于科学史家来说，伽利略才变成一个新的难题。