🧩 词语组成解析
a. 有鳍状肢的
🗣️ 情景例句
I was very sad indeed to hear about it.
听了这件事，我的确非常难过。
I'm very pressed for cash at the moment, can I pay you next week?
我现在手头有点紧，再周再付给你行吗？
'I've been coming up here night after night for weeks now.
“好几个星期了，我天天夜里到钟楼上来。