Directivity gain
[计] 方向性增益
🧩 词语组成解析
[计] 指向性, 方向性
gain
[gein]
vt.& vi. 获得;赢得;增加;（钟、表）走快;
n. 利润;[土木工程]腰槽;获益;
vt. （在…上）开腰槽;吸引;（通过努力）到达;推进（一段距离）;
vi. 增进;增进健康;得益;（重量的）增加;
🗣️ 情景例句
Are you sure? But ... OK.
你确定吗？ 但……算了。
From across the room, David cast a glance at his brother.
隔着房间，大卫瞥了一下弟弟。
Then he put his hand into pocket, and took out a phrasebook.
然后他把手伸进了衣袋，掏出了一本常用语手册。