Pollen tube
花粉管
🧩 词语组成解析
pollen
['pɔlin]
n. 花粉;[虫]粉面;
vt. 传授花粉给;用花粉掩盖;
🗣️ 情景例句
John is tied up at the present time.
John现在有事。
That's a conservative point of view.
那是个保守的观点。
One is the general atmosphere of secrecy in which it is carried out,
一是科研工作中普遍存在的保密气氛；