Espionage activities
[法] 間諜活動
?? 詞語組成解析
n. （activity復數形式）活動；活動區；活動性
??? 情景例句
How was your flight?
旅途愉快嗎？
To navigate
航海
Please come in and sit down. But come to school earlier next time.
但下次要早點到校。