Polycross
多系天然杂交, 多向杂交, 多父本杂交
🗣️ 情景例句
all about your first full day back on the job.
关于你重回工作第一天的全部情况了。
Don't count your chicken before they are hatched.
不要过早乐观。
for even though it was still summer, it rained continually and it was often bitterly cold.
因为即使那时仍为夏季，但雨总是下个不停，而且常常冷得厉害。