C 实验室a special building or room in which a scientist works to examine, test, or prepare materials

　laboratory　可以缩写为lab.

　lecture〔prepare〕 in ～　在实验室演讲〔准备〕
　test〔work〕 in ～　在实验室试验〔工作〕
　chemistry〔language, physics, science〕 ～　化学〔语言，物理，科学〕实验室
　research ～　研究室
　～ assistant　实验助理员，实验员
　～ boy　实验练习生
　～ coat　实验服
　～ experiment　实验室试验
　～ report　实验报告

　The lab has been advised to hold back any announcement of its findings.　实验室已得到通知，不要宣布发现的成果。
　Did you perceive anyone entering the lab?　你看见有人进入实验室吗?
　He lost no time in returning to the lab.　他立刻回到实验室。
　The students are demonstrating a chemical law in the lab.　学生们正在实验室里演示一条化学定理。
　The teacher arranged for him to spend one day in the lab.　老师安排他在实验室做了一天实验。
　Who has permitted you to enter these labs?　谁允许你进入这些实验室的?
　There are two labs in our school.　我们学校有两个实验室。
　The lab assistant injected the rat with the new drug.　实验室助手给老鼠注射了那种新药。
　They will proceed to build a lab building.　他们将着手建造一座实验大楼。

　［词源］中古拉丁语labortorium（实验室）