Estron
n. 醋酸纤维\\n[化] 埃斯特纶(醋酯长丝)
🗣️ 情景例句
Dad, Richard--Alexandra's here.
爸爸 Richard Alexandra来了。
What are you planning to do?
你打算做些什么？[两次疯狂张嘴，现金次舀水动作]
He was just falling asleep when there was a loud knock at the door.
他刚要入睡，就有人很响地敲门。