Sea pen
n. 海鳃
🧩 词语组成解析
sea
[si]
n. 海;海洋;许多;大量;
pen
[pɛn]
n. 笔，笔尖;笔法，文笔;作家;围栏;
vt. 写;把…关入栏中;关押，囚禁;
🗣️ 情景例句
Young drivers are more likely to be involved in an accident.
年轻驾驶员更容易出事。
I ask him to tell me everything he heard.
我要求他告诉我，他所听到的每件事情。
and a period (which is the time it takes a wave crest to travel one wave length).
和周期（浪峰走过一个波长所需的时间）。