| 正面 | 7146.tester 英 ['testə]美 ['tɛstɚ]     |
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| 背面 |      释义： 1. re- + lent-.2. => melt, soften, dissolve.3. => soften, become supple.4. relent + -less => relentless.n. 天盖；检验器；试验员n. (Tester)人名；(英)特斯特 例句： 1. I have a battery tester in my garage.我的车库里有台电池测试仪。 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." |