Sec-octyl acetate
[化] 乙酸仲辛酯
🧩 词语组成解析
SEC
[[sek]]
[计] 秒, 辅助\\n[化] 尺寸排阻色谱法
n. [化]辛基
n. 醋酸盐\\n[化] 醋酸盐(或酯、根)
🗣️ 情景例句
Americans consider it extremely bad manners to be late.
美国人认为迟到是一种极不礼貌的做法。
It's up to us to help those in need.
我们有责任帮助那些有困难的人。
If, as has been reported, they have protected humans from sharks,
正如报道中所说，如果海豚保护人不受鲨鱼侵害，