Throw-back
[医]返祖，返祖者，隔代遗传者
📖 牛津释义
throw-back
n animal, etc that shows characteristics of an ancestor earlier than its parents 有返祖现象的动物等. Cf 参看 atavism.
🧩 词语组成解析
throw
[θro]
vi. 投掷;丢;抛;
n. 投掷的距离;丢;
vt. 掷（色子）;抛;猛动（头、臂、腿）;使处于，使限于;
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;
🗣️ 情景例句
Hello, Susan.
喂 Susan。
For me, studying in another country is very exciting.
对我来说，到国外留学是一件刺激而又有趣的事。
for fear the agents of other firms should be able to trace the kind of research they are likely to be undertaking.
他们生怕别的公司的情报人员据此摸到他们可能要从事的某项科研项目。