Traxcavator
n. <美> 履帶式挖掘機
??? 情景例句
Here's a real buy.
這個價格便宜。
I'm too nervous.
我太緊張。
4 Think of a time when you were happiest. What were you doing?
4。想一想你感到最高興的時刻。當時你在做什么？