Oligoprotein
寡聚蛋白质
🗣️ 情景例句
Never chew with your mouth open.
嚼东西时别张着嘴。
No man learns but by pain or shame.
不经痛苦羞辱，难以取得教训。
Politicians agree, in principle,
政治家在原则上同意了， 因此，