Tesl
abbr. 作为第二种语言的英语教学（Teaching English as Second Language）；测试仪器和测试标准实验室（Test Equipment and Standards Laboratory）
📖 牛津释义
TESL
abbr
缩写 = Teaching English as a Second Language 作为第二语言的英语教学. Cf 参看 TEFL.
🗣️ 情景例句
Can I get you something, Mr. Stewart?
要我替你拿点什么吗， Stewart先生？
What do you know?
你懂什么？
The second marks the arrival of transverse vibrations which travel more slowly and arrive several minutes after the first.
然后记录下的是横向波的到达，横向波比纵向波传播得慢，在纵向波到达几分钟后才能到达。