Concentration gradiant
[电] 浓度梯度
🧩 词语组成解析
🗣️ 情景例句
And your name is ...?
请问你的名字是……？
When one is about to act, one must reason first.
凡事要先思而后行。
But no one has to muster up courage to enter a less pretentious antique shop.
而对不太装腔作势的古玩店，无论是谁都不用壮着胆子才敢往里进。