Soemmering's gray substance
[医] 塞梅林氏灰质, 黑质
🧩 词语组成解析
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
and see how the plan works.
看看这项计划实施得如何。
In university, students are trained to become doctors and nurses.
大学的学生被训练成为医生和护士。
If we remain inveterate smokers, it is only because we have so often experienced the frustration that results from failure.
如果我们烟瘾大，戒不掉，那是因为屡戒屡败，失去信心。