GRE易混词汇积累GRE易混词汇积累ingrate n. 忘恩负义的人mother的含义ingratiate v. 逢迎,讨好gratuitous a. 无缘无故的;免费的fortuitous a. 偶然的,意外的;幸运的gratitude n. 感谢的心情sport是什么意思gulp v. 吞食,吞下ehpgap n. 缺口,裂口天天向上学习网gulch n. 深谷,峡谷qikegust n.
化学试剂危险性描述(Risk Codes)Risk Phras英文解释中文解释R1Explosive when dry.干燥时有爆炸性;R2Risk of explosion by shock, friction, fire or other sources of ignition.西安英语培训机构受冲击、摩擦、着火或其他引燃源有爆炸危险;R3Extreme risk of explosion
危险品65个等级中英文短语对照含义Indication of particular risks/危险品等级单类短语含义R1Explosive when dry干燥时爆炸R2Risk of explosion by shock, friction, fire or other sources of ignition遇火或点火,摇动,磨擦会发生爆炸R3Extreme risk of explosion
R-phras 风险术语(R术语)参考 Risk Phras 英文解释中文解释 R1 Explosive when dry. 干燥时有爆炸性; R2 Risk of explosion by shock, friction, fire or other sources of ignition. 受冲击、摩擦、着火或其他引燃源有爆炸危险; R3 Extreme risk of e
危险品65个等级中英文短语对照含义Indication of particular risks/危险品等级单类短语含义R1Explosive when dry干燥时爆炸R2Risk of explosion by shock, friction, fire or other sources of ignition遇火或点火,摇动,磨擦会发生爆炸R3Extreme risk of explosion