🧩 词语组成解析
挖沟, 挖沟工作, 掘壕掩埋法
spade
[sped]
n. 铁锹，铲子;纸牌中的)黑桃;
vt. 铲;
🗣️ 情景例句
Just to get an idea of some other possibilities.
瞧瞧其他可能的选择。
Now, we're doing something new making skin strong enough that it doesn't wrinkle, become dry, or develop blemishes.
现在我们正在做一些改进，使皮质变得坚韧而不致有皱纹，变干或产生磨损。
What happened before printing was invented?
印刷术发明以前是怎么一回事？