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
He was carrying his son on his shoulders.l
他让儿子骑在肩上。
Martha will expect you to come by at six o'clock for dinner.
玛莎以为你在六点以前会来吃晚饭。
You have my word.
我保证。