Allelotaxis
[医] 异源发生(一个器官由数个不同的胚质发生)
🗣️ 情景例句
It helps enormously.
这个帮助很大。
A new bicycle is out of the question - we can't afford it.
买新自行车的事谈不上 —— 我们买不起。
supplying the rocket fuels for its ships,
作为航天飞船的燃料。