Ectosome
外皮层
🗣️ 情景例句
This is Mr. Wu in Room 415.
我在415房间，姓巫。
I meet the boy whose aunt is a musician.
我遇到那个男孩的姑妈是音乐家。
Such creatures have rarely been seen alive by man as they live at a depth of six hundred feet.
人们很少能看到活着的这类动物，因为它们生活在600英尺深的水下。