Back scatter
[医] 反向散射
🧩 词语组成解析
back
[bæk]
n. 背，背部;背面，反面;后面，后部;（椅子等的）靠背;
vt. 使后退;支持;加背书于;下赌注于;
vi. 后退;倒退;
adj. 背部的;后面的;以前的;拖欠的;
adv. 以前;向后地;
scatter
['skætɚ]
vt. （使）散开，（使）分散，驱散;
vi. 撒开;分散;
n. 撒布，散播;
🗣️ 情景例句
What's the reason why you left your previous employer?
你离开原来那个雇主的原因是什么？
Pardon me, but I was wondering if you could break a one.
对不起，不知你是否能兑开1元钱。
All the students are expert drivers, but before they drive any of the buses, they will have to pass a special test.
所有的学生都是开车的能手，但在驾驶公共汽车之前，他们必须通过一项专门测验。