Bct
abbr. 商务汉语考试（Business Chinese Test）；体心四方晶格（Body -Centered Tetragonal）；带宽压缩技术（Bandwidth Compression Technique）
🗣️ 情景例句
A journey of a thousand miles begins with a single step.
千里之行，始于足下。
At 6 o'clock sharp.
6点。
So she's been at this school since September?
这么说来，她自9月份才在这所学校学习？