Flowability of sand
[机] 铸砂流动性
🧩 词语组成解析
流动性
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
sand
[sænd]
n. 沙;沙滩;沙色;
vt. 撒沙于;用砂纸磨光;
🗣️ 情景例句
Are you sending it by regular or by speed?
你要寄平信还是快递？
When do you leave?
你何时起程？
Jack is the strongest boy in the class.
杰克是全班最强壮的男孩。