Van der velden's test
[医] 范德韦耳登氏试验(检胃液游离盐酸)
🧩 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”;
abbr. 区分编码规则（Distinguished Encoding Rules）
🗣️ 情景例句
I can see straight into the neighbors'backyard from here.
从这我可以直接看到邻居们家的后院。
I often read the newspaper in the morning.
我常常在早上看报。
It is fairly clear that sleeping period must have some function,
很清楚，睡眠必然具有某种作用。