Membranogen
膜素
🗣️ 情景例句
You must observe these simple rules.
你必须遵守这些简单的规定。
It is one thing to speak much and another to speak pertinently.
话讲得多是一回事，讲得恰当是另一回事。
Jasper has put up 'No Parking' signs outside his gate, but these have not had any effect.
贾斯珀曾把几块“禁止停车”的牌子挂在大门外边，但没有任何效果。