单词：preflight
preflight的用法和样例：
例句
- The crew ran through the preflight procedures.机组人员又复习了一遍飞行前的程序。
- Weather conditions can change quickly, making preflight briefings obsolete.天气状况变幻莫测，使得飞行前的天气信息失去时效。
词汇搭配
- preflight check飞行前检查
- preflight inspection飞行前检查
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prefill的意思是在很渴的情况下先喝一杯。 用法解释： When, in cases of extreme thirst, a person using a soft-drink fountain fills the beverage container, chugs it, and then fills it again before sitting down to eat. A: Hey man, why
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美国俚语