Tcs
[化] 四环素类抗生素
🗣️ 情景例句
She was playing with the idea of studying abroad.
她有出国留学的念头，但并非很认真。
An empty hand is no lure for a hawk.
空手诱不来老鹰。
A lot of people can't tell the difference between an American accent and a Canadian accent.
许多人分不出美国口音和加拿大口音的差别。