Etretinate
[化] 阿維A酯; 苯壬四烯酯
??? 情景例句
Just make the few changes I suggested and your letter will be perfect!
只要改動我提到的個別地方，你的信就會很完美了。
Delicious!
味道真棒！
But these are not analogous to what happens when man ages.
不過，這些衰老的情況同人并不相似。