Ngf
abbr. 神经生长因子（Nerve Growth Factor）
🗣️ 情景例句
we'll send you a letter of appointment and can sign a full distributor contract.
我们将给你们送上一份聘书，并签订一份总的销售合同。
He can't really mean to work against us, can he?
他不可能故意妨碍我们的，对吗？
Your Chinese is really surprising.
你的中文令人惊讶。