Caterpillar test engine
[建] 开特皮拉试验引验
🧩 词语组成解析
caterpillar
['kætəpilə]
n. 毛虫;履带;履带拖拉机;
engine
['endʒin]
n. 发动机，引擎;工具;火车头;机车;
vt. 给…安装发动机;
🗣️ 情景例句
You'd better watch your step or you'll get into trouble again.
你最好留点儿神， 免得再惹麻烦。
He learns French every day.
他每天都学法语。
Bottoms up!
干杯（见底）！