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
We live with my parents, Dr. and Mrs. Philip Stewart.
我们和父母住在一起 ，我父母是Philip Stewart夫妇。
In college I majored in math, What was your major?
大学时我主修数学，你主修什么呢？
People change, but they don't suddenly chnge from being right-handed to being left-handed.
人会变，但他们不会从惯用右手而突然转变成左撇子的。