🧩 词语组成解析
n. (生物分类上的)门, 语系\\n[医] 门[生物分类]
n. 甲藻门；甲藻类\\n
🗣️ 情景例句
Without that, it's hard.
没有就难办了。
I'll have studied English for four years next March.
到明年三月，我就学了四年的英语了。[将来完成时，表示将完成…，会做完…]
Is there any water in this kettle?
这水壶里有水吗？