Ppt
[计] 主程序操作员接口任务\\n[化] 万亿分率
🗣️ 情景例句
Listen, Richard,doing aerobics for an hour is a lot different than lifting weights.
听着， Richard，一小时的有氧运动可与举重大不相同。
Don't forget to put stamps on your letter.
别忘了贴邮票。
The aeroplane is flying over the river.
飞机正从河上飞过。