Mcd
abbr. mine clearance diving 扫雷; mine clearance dive 扫雷; metal-covered door 金属外包门; mean cell density 平均细胞密度
🗣️ 情景例句
The course I took was above me.
我上的这门课太难了。
Easier said than done.
说话容易做事难。
Are you going to ship this by air?
这批货你要用空运的吗？