free-dive
短语发音
/ˈfriː.daɪv/
词形变化
free-dives
三单
free-diving
现在分词
free-dived
过去式
free-dove
过去式
free-dived
过去分词
别名
free dive
释义与例句
v.
-
1.
To stay underwater without the assistance of a breathing apparatus or supplemental oxygen.
不及物
词源
A back-formation from free-diving.
来源：wiktionary