Hetron
防火聚酯树脂
🗣️ 情景例句
Most boys like baseball, but he is an exception.
大多数的男孩喜欢棒球，但他是个例外。
Don't worry he wiil bring something.
不要担心他会带来什么。
As soon as I tap on the window, you must stop within five feet.
我一敲车窗，你必须把车停在5英尺之内。