Conventionalloading
常用荷载
🗣️ 情景例句
Frank, you can learn as we go.
Frank，我们玩， 你跟着学。
How much is a bus ticket?
公共汽车票要多少钱？
This is my shirt.My shirt's blue.
这是我的衬衫。我的衬衫是蓝色的。