Parallelveined
a. [植](叶)平行脉的
🗣️ 情景例句
You've been a very helpful.
你帮了大忙。
I want to persuade you to change your mind.
我想要到说服你改变你的主意。
This would solve the problem of ventilation, for if a train entered this tunnel, it would draw in fresh air behind it.
因为如果有列火车开进隧道，它就把新鲜空气随之抽进了隧道。