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
But you just got here. Can't you stay a little longer?
可你刚刚到，再多呆一会儿，好吗？
The buyer has the right to cancel the contract unilaterally if the seller fails to ship the goods within the L/C validity.
如果卖方不能在信用证有效期内交货的话，买方有权单方面取消合同。
On Wednesday evening, we went to the Town Hall.
星期三的晚上，我们去了市政厅。