Correct

红潮

/ hóngcháo / 
Strokes

Definition

to blush/flush/red tide (algal bloom)/menstruation

Example

As a Noun

blush; flush

1
Zhèxiē
这些
nǚhái
女孩
dōu
都
shì
是
dàxuéshēng
大学生
le
了
  
,
hé
和
shēngrén
生人
yī
一
shuōhuà
说话
liǎn
脸
hái
还
fàn
泛
hóngcháo
红潮
  
。

College students as they are, these girls blush when they talk with strangers.

As a Noun

menses; menstruation

As a Noun

red tide