Van deen's test
[医] 范迪恩氏试验(检胃液血)
🧩 词语组成解析
van
[væn]
n. 先锋;厢式货车;增值网;先驱，前驱，领袖，领导人;
vt. 用车搬运;
prep. 〈外〉同“from”;
🗣️ 情景例句
I said I'd give her an answer in a few days ...
我说这几天给她回答……
I recognize that he is more clever than I am.
我承认他比我聪明。
Snakes did not acquire their poison for use against man but for use against prey such as rats and mice, and the effects on these of viperine poison is almost immediate.
因为蛇有毒液不是用来对付人的，而是对付它的猎物，诸如鼠类，毒液对这些猎物会立刻起作用。