Snail darter
蜗牛镖；螺镖鲈
🧩 词语组成解析
snail
[snel]
n. 蜗牛;慢性子;
n. 突进者, 突进物
🗣️ 情景例句
Is your wife ill?
是你太太病了吗？
Will this flight leave on time?
这班机准时起飞吗？
when a significant number of people are living permanently in space.
如果有相当数量的人永久性地住在太空，