Tracheophyta
导管植物门
🗣️ 情景例句
I think I'm quite proficient in both written and spoken English.
我认为我在英语读写方面相当熟练。
I have to go now.
我必须走了
They also have the disadvantage of being an expensive form of transport.
飞机另一个缺点是昂贵。