Van test
[医] 范斯莱克氏试验(检氨基氮及脲)
🧩 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'm totally fed up with my old computer.
我简直受不了我这台旧计算机。
I can't tell you how sorry I am.
我不知道我该怎样道歉。
If they knew how difficult it was to drill through the hard rock, they would lose heart.
如果他们知道了钻透那坚硬的岩石有多么困难，他们会丧失信心的。