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1·Time is like spring, can shorten, can also be stretched.

时间象弹簧，可以缩短，也可以拉长。

2·A spring rain is good, people are stretched winter suppressed heart.

好一场春雨，舒展了人们被冬压抑着的心田。

3·When the worm is prodded, stretching the structural proteins in muscle fibers, the linking spring is stretched, and the worm fluoresces in a different color.

蠕虫受刺激时，肌纤维结构蛋白被拉伸，其连接弹簧也被拉伸，蠕虫的荧光颜色发生改变。

4·The horses, feeling slack reins, stretched down their necks to crop the tender spring grass .

那几匹马觉得缰绳放松了，便都低下头去嚼那柔嫩的春草。

5·The ends of the spring are affixed to the frame rails while the springs are in an un- stretched state.

当弹簧在未拉伸状态时，将弹簧的端部固定在框架横 杆上。

6·Transport was rather stretched in the Spring Festival.

春节期间交通已经到了极限。