🧩 词语组成解析
pix
[pɪks]
v. 检查（硬币的）重量和纯度;
n. 照片，影片;
chest
[tʃest]
n. 胸部，胸腔;箱子;金库;资金;
🗣️ 情景例句
She said she'll call you later.
她说她等会儿给你电话。
We have opposite views on this.
我们在这上有相反的观点。
below 20 per cent, its bactericidal action is negligible.
浓度低于20％时，杀菌能力基本上就不存在了。