Periventricular gray substance
[医] 室周灰质
🧩 词语组成解析
a. [解](心、脑)室周的
gray
[ɡre]
n. 灰色;灰马;灰色颜料;暗淡的光线;
adj. 灰色的;灰白头发的;阴暗的;（指脸因恐惧、生病等）苍白的;
v. （使）变灰色;
vi. 成为灰色或灰白;
🗣️ 情景例句
I guess you're right.
说的也对。
There's a ten thirty flight in the morning.
早上10点半有班机。
It took the police nearly an hour to get the traffic on the move again.
警察花了将近一个小时才使车辆又开起来。