I have heard say that...
我听说...
🧩 词语组成解析
have
[hæv]
aux. 用以构成完成式及完成式的不定式，表示已经…;
vt. 有，具有;拿，取得;从事;必须，不得不;
n. 〈口〉有产者，有钱人;富国;〈英俚〉欺骗，诈骗;
have=possess持有 → 有
heard
[hə:d]
v. 听到，听见( hear的过去式和过去分词 );听说;得知;听取;
say
[se]
vi. 说， 讲;表明，宣称;假设;约莫;
vt. 表明;念;说明;比方说;
n. 发言权;说话;要说的话;发言权;
🗣️ 情景例句
A lot of people would like my help.
许多人要我帮助。
It is never too old to learn.
为学不怕年高。
but as the oceans have been overfished, fish has become more and more expensive.
但是随着海洋里的滥捕滥捞，鱼已经变得越来越昂贵。