Effciency
[机] 效率
🗣️ 情景例句
and I'll think of a surprise.
我来想出一个惊喜。
Take my jacket if you are cold.
如果你觉得冷，穿上我的夹克吧。
Betty and Susan are talking on the telephone.
贝蒂和苏珊正在通电话。