Pharma-
pref. 藥
?? 詞語組成解析
n. 制藥公司
??? 情景例句
Keep your chin up.
別灰心。
If he doesn't help him, I will.
如果他不，我將幫助他。
This is because they had no natural enemies until the arrival of humans and therefore did not need to develop flying wings.
這是因為人類到達這里之前，這些鳥沒有天敵，因此，它們不需要發育飛行的翅膀。