Cavity flow
[化] 空泡流; 空腔流
?? 詞語組成解析
flow
[fl?u]
vi. 流;垂;流出;（談話、文體等）流暢;
n. 流動;滔滔不絕;漲潮;連貫;
vt. 使泛濫;淹沒;排出;
??? 情景例句
Oh my!
啊！
He is hurrying to his office.
他趕著去上班。
I'm tired of working all day.
整日工作使我厭煩。