tester
英 [ˈtes.tər]
美 [ˈtes.tɚ]
- n. 天盖；检验器；试验员
- n. (Tester)人名；(英)特斯特
使用频率:
英语词源
- tester (n.1)
- "one who tests, puts to trial, or assays," 1660s, agent noun from test (v.). Earlier "a crucible" for trying metals by heating them (mid-15c.).
- tester (n.2)
- "canopy over a four-post bed," mid-14c., from Medieval Latin testerium, from testera "head-stall" of the bridle of a horse, extended use and form of Late Latin testa "skull," in Vulgar Latin "head" (see tete). From Medieval Latin testa as "head" also come tester in obsolete senses of "piece of armor for the head" (late 14c., via Old French testiere) and "coin of Henry VIII" (1546), the first English coin to bear a true portrait.
权威例句
- 1. I have a battery tester in my garage.
- 我的车库里有台电池测试仪。
- 2. It's a bulb pressure tester for detecting battery leaks.
- 这是检测电瓶漏气用的胶球压力试验器.
- 3. A dead - weight tester is shown in Fig. 8.
- 静重试验器如图8所示.
- 4. Place the tester adapter over the opening.
- 把试验器连接装置放在加油口上.
- 5. This tester is provided with a " Guard " terminal to prevent errors due to surface leakage.
- 本仪表装有 保护环 接线柱,用以纠正因表面漏电而造成的误差.
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