Teach by correspondence
函授教学
🧩 词语组成解析
teach
[ti:tʃ]
vt. 教;教导，训练;教授;
vi. 教书;
by
[baɪ]
prep. 在…旁边;表示方式;由于;经过;
adv. 经过;表示保留或保存时用;短暂拜访;
🗣️ 情景例句
How did you do that?
你怎么做到的呢？
Don't whistle until you are out of the wood.
没有脱离险境，不要过早高兴。
His work starts at half past eight, and finishes at a quarter to five.
30开始工作，4：45下班。