Bipennate
[醫] 二回羽狀的(葉脈)
??? 情景例句
An oil tanker ran aground and lost about 15,000 gallons of gas into the sea.
一般油輪擱淺，把 15000 加侖油傾瀉在海里了。
A little of every thing is nothing in the main.
每事淺嘗輒止，事事都告無成。
And then I watched all the glasses that were on the table fall off onto the floor.
接著我看到桌上所有的玻璃杯都掉到了地板上。