crop out
adj. 突然发生(出现, 冒出, 露出)
例句与用法:
A vein of gold was seen cropping out.
可以看见一条金矿矿脉露出地面。
A hidden hate cropped out in her words.
她言语中流露出怨恨之意。
A few cases of influenza cropped out every now and then.
不时出现一些流行性感冒的病例。