Retractive
a. 縮進(jìn)的
??? 情景例句
How's Donald?
Donald怎么樣？
It will be very pleasant to go fishing with you.
跟你去釣魚(yú)的話(huà)，將會(huì)很愉快。
I'm not sure how this works.
我不懂這是如何操作的。