Schlieren
條紋照相, 暗線照相, 紋景法, 紋影法
??? 情景例句
There's no truth in it.
沒有一絲一毫是真的。
Too swift arrives as tardy as too slow.
欲速則不達(dá)。
When the plants are in the ground I'll put some powder on the soil.
白菜在地里生長時，我得在土壤里施些肥粉。