Reflection gain
[计] 反射增益
🧩 词语组成解析
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
If the owners don't claim the dog in forty-eight hours,
如果狗的主人在四十八小时内不认领，
I'm going to show him how to write.
我正要指点他如何写字。
He can't write very much on a card, Mum.
在明信片上他写不了很多，妈妈。