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
Besides Chinese New Year, what are the other festivals according to the Lunar Calendar?
农历新年以外还有什么节日？
What's the height of the building?
这座楼有多高？
Often, we help them with the harvest.
我们经常帮助他们收割。