Meteorocket
气象火箭
🗣️ 情景例句
Practice tenses as much as possible.
操练各种时态。
The tour will take about an hour and a half. We ought to be back here by 3:00.
参观大概要一个半小时，3点钟以前回到这里。
On being introduced to somebody, a British person often shakes hands.
英国人被介绍给别人的时候常常和对方握握手。