A salt or ester of oxalic acid.
草酸形成的一种盐或酯。
Phthalic acid ester two and two are sensitive to light, not long-term see light;
邻苯二甲酸二甲酯对光敏感，不宜长期见光；
Ester is a truly unforgettable person.
伊斯特真是一个令人难忘的人。
Ester asked for time to think all this over.
埃斯特拉要求给她时间好好想一想。
Ester asked for time to think all this over.
埃斯特拉要求给她时间好好想一想。
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