Do for...
对于...有效, 对于...行得通, 代替
🧩 词语组成解析
do
[du]
aux. 构成疑问句和否定句;代替动词;用于加强语气;
vt. 做;干;进行;从事;
vi. 表现;进展;引起;行过;
n. 社交聚会;社交活动;宴会;
🗣️ 情景例句
He was very helpful to me, remember?
他帮过我大忙， 记得吗？
You'll solve the problem if you concentrate upon it.
如果全神贯注，你就会解决这个问题。
This is done by a great number of ring-shaped air jets on the bottom of the craft.
船底装上大量环状喷气嘴以实现这一目的。