Lang's tests
[医] 兰格氏试验(检牛磺酸)
🧩 词语组成解析
n. 测验（test的复数）
🗣️ 情景例句
If there's anything you need, just knock on my door.
有什么需要帮忙的话，尽管敲门来找我。
Now it is the child's turn to make a good home for his children.
现在轮到孩子们自己为其儿女建造美好的家庭了。
Then give us three cases of this.
那么这种的就买三箱好了。