Pre-tests
(pre-test 的复数) [经] 先期测验
🧩 词语组成解析
abbr. 炼油工程师（Petroleum Refining Engineer）
n. 测验（test的复数）
🗣️ 情景例句
Or at least give him some advice.
再不然至少可以给他一些忠告。
He has come to be recognized as an expert in the problem of overpopulation and food supply.
由于他的经验促使他终于成为了公认的人口过剩和食物供应问题的专家。
They look very uncomfortable.
这种鞋子看上去很不舒适。