Invertebrates
n. 无脊椎动物( invertebrate的复数形式 )
🗣️ 情景例句
when it's very cold out.
冬天外面很冷的时候。
What''s the fare to New York, Economy Class?
去纽约的经济舱机票多少钱？
It's smaller than the blue one.
它比那件蓝色的还要小。