循环启动的英文：
loop start
n. 环，圈；回路；弯曲部分；翻筋斗
v. 打环；以环连结；（使）翻筋斗
The airman looped the loop eight times.
那位飞行员作了八次翻筋斗的飞行表演。
The plane looped the loop three times.
飞机连翻了三个跟头。
Loop the tree with a rope = loop a rope around the tree
将绳子卷绕于树
Loop the curtains up.
把窗帘卷起来。
They looped the thing together.
他们用环将那些东西系在一起。
n. 开始，起点；动身；开动；震惊，震动
v. 出发；开始，着手；发动；创办；惊起
Then It'started to break into pieces. These pieces started to move apart.
然后它开始分为很多块。这些分开的板块开始移动，分开。
He started coughing blood.
他开始咳血了。
His hearing has started to go.
他的听力开始衰退。
He gave a slight start.
他微微地震动了一下。
The engine won't start.
引擎发动不起来。