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- The marriage was held to be valid. 这一婚姻关系是有效的。
- DETERMINATION OF SUGAR CONTENT AND VALID ACIDITY IN HONEY PEACH BY INFRARED REFLECTANCE 水蜜桃糖度和有效酸度的近红外光谱测定法
- The ticket is valid for one month. 这票子一个月内有效。
- A credit card is not a valid proof of identity. 银行发的支票保付卡不是有效的身份证明文件。
- He gave me a taste of his acid wit. 他让我尝到了他敏锐尖刻之机智的滋味。
- Acid irritates the stomach lining. 酸能刺激胃黏膜。
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
- I am doing an experiment of neutralizing acid. 我在做一个中和酸的实验。
- Can Jones beat Smith? That's the acid test. 琼斯能击败史密斯吗?那是个严峻的考验。
- A salt or an ester of boric acid. 硼酸盐一种硼酸盐或硼酸酯
- She dropped acid in high school. 她高中时代服迷幻药。
- The metal is fretted with the acid. 金属被酸腐蚀。
- This license is no longer valid. 这张执照不再有效。
- The chemical can behave as an acid. 这种化学制品能起酸的作用。
- The cheque is not valid if it were not signed by the finance director. 如果没有主管财务的董事签字支票就无效。
- The acid has eaten through the metal cover. 酸已把金属盖子蚀穿了。
- The worker's overalls were badly burned by acid. 这位工人的工作装被酸腐蚀得很厉害。
- An acid can react with a base to form a salt. 酸可以和碱起反应而生成盐。
- Equal pay for equal work is valid. 同工同酬是正当的。
- This substance must be treated with acid. 这材料得用酸来处理。