1.
Middle -aged means in middle, middle of life.

中年意味着在中间,一生的正中间。
2.
In the center position. Used of the helm.

在中部在中间部位。用于指舵的中部
3.
To tell the truth, I fell asleep in the middle.

老实说, 我在中间睡着了.
4.
To perform missionary work in or among.

在…中间或在…之间传教
5.
in the course of

在...过程中,在...期间
6.
In an intermediate space, position, or time; in the interim.

在…当中在空间,位置或时间的中间;在当中
7.
set up a barrier between

在...中间设置障碍
8.
remove a barrier between

拆除在...中间障碍
9.
lying between two extremes in time or space or degree.

处在时间、空间或者程度的两极的中间。
10.
(prefix) between or among or in the midst of.

(前缀)在……之间或者在……之中。
11.
pending these negotiations

在谈判中,在交涉期间
12.
a medial consonant

【语】(在词中的)中间辅音
13.
Application of Middle Ware Technology to Spatial Data Sharing

中间件技术在空间数据共享中的应用
14.
One who acts as an intermediary or messenger between two sides.

中间人,媒介在双方间担任中间人或信使的人
15.
He spent his time in sleeping.

他在睡眠中消磨时间。
16.
Among the latter was Drouet.

杜洛埃也在这群人中间。
17.
The little house nestled among the trees.

那间小屋坐落在树丛中。
18.
He trod the room from end to end.

他在房间中走来走去。