Picoplankton
超微型浮游生物
🗣️ 情景例句
Industry spokesmen have stated that there's no threat posed to the environment.
工业发言人说他们没有对环境构成威胁。
It won't fit; you'll have to go to the post office.
那不行，你必须去邮局才行。
You'd better not go inside. There might be snakes.
你最好不要进去。说不定有蛇呢。