Synchrotie
同步機(jī)饋線; 同步耦合; 同步耦合
??? 情景例句
Who is it?
是誰呀？
I took out my toys.
我拿出了我的玩具。
He was rather elderly with grey hair and clear blue eyes.
他上了年紀(jì)，有著灰白的頭發(fā)和明亮的藍(lán)眼睛。