Prolon
合成蛋白质纤维
🗣️ 情景例句
Thanksgiving was about the Pilgrims,
感恩节是关于清教徒的，
The lumberjack sweats as he cuts down a tree.
伐木工人边砍树边擦汗。
He doesn't like writing letters, but he likes receiving them.
他不爱写信，但他却喜欢收到信。