Ectotheca
外壁
🗣️ 情景例句
Michelle picked these flowers out for you.
Michelle选这些花送你 。
I don't-know what-to do.
我不知道该做些什么。[两个辅音连接，只读后一个]
and the search for oil has done more to improve deep drilling than any other mining activity.
寻找石油比其他任何采矿业对改进深孔钻探作的贡献都要大。