单词：nucleases
n general term for enzymes that catalyze the hydrolysis of nucleic acid by cleaving chains of nucleotides into smaller units
nucleases的用法和样例：
例句
- When they exposed tobacco cells to the zinc finger nucleases, they also added a version of that gene that enhances herbicide resistance.他们在使烟草细胞接触锌指核酸酶之外，也添加了可增强抗除草剂特性的基因片段。
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能源行业英语
今天学的词是ease。Ease就是放松原有的规定或限制。上个月，美国航空安全官员决定禁止旅客带液体上飞机。经过研究，他们现在决定放宽这一规定。报纸说：U.S. Eases Carry-on Liquid Ban, 美国当局
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