Leapfrog test
[计] 跳步检查
🧩 词语组成解析
n. 跳背游戏, 竞相提高\\nvi. 跳背, 交替前进\\nvt. 跃过
🗣️ 情景例句
Are you sick?
你病了吗？
We hope your design and the color will be strongly attractive to the American people.
我们希望你们的设计和颜色对美国人具有巨大吸引力。
They had to work inside the ship, cutting away old metal, fixing new metal plates, drilling holes, laying electrical and phone wires and fixing new pipes for water and steam.
他们要在船舱里工作，切掉旧的金属，焊接新的金属板，钻孔，埋电线和电话线以及安装新的水管和蒸汽管。