Ssats
(ssat 的复数) [医][=Society for Surgery of the Alimentary Tract]消化道外科学会
🗣️ 情景例句
Well begun, half done.
良好的开始，就是成功了一半。
The healthful man can give counsel to the sick.
健康的人可以对生病的人提出忠告。
from which can be seen the strata the drill has been cutting through.
从中能看出钻头所钻透的地层。