Thr
[化] 苏氨酸
🗣️ 情景例句
I have just begun to learn and my serve isn't very good.
我刚刚开始学习，发球不太好。
Riches serve a wise man but command a fool.
财富事智者，却又驭蠢人。
it is extremely difficult to estimate the true value of the services which people perform for us.
但要估算别人为我们为所提供的服务的价值却是极其困难的。