Endocuticle
内角质层
🗣️ 情景例句
He makes a good living.
他过得很优裕。
It's a shame these instructions are so complicated.
真遗憾，这些说明太复杂了。
Oh, it's a short ruler. Who has a long one?
噢，这是把短尺。谁有长尺？