油热之后，加入切好的洋葱。

When the oil is hot, add the sliced onion.

《柯林斯英汉双解大词典》

将纯化的在大肠杆菌中表达的鹦鹉热衣原体（Cps）的重组主要外膜蛋白（MOMP）与油佐剂混合。

The purified recombinant major outer-membrane protein (MOMP) of Chlamydia psittaci (Cps) expressed in E. coli was mixed with oil adjuvant.

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平底锅加入少量油，油热后放入碎洋葱块、蒜末、孜然粉、辣椒面、可可粉、盐和黑胡椒粉翻炒至有香味出来，加水烧至洋葱变软，大概需要5分钟左右的时间。

Add onion, garlic, cumin, chili powder, cocoa, salt and pepper to pan. Stir to combine.

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